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Hospital-Onset or Community-Onset Sepsis" /> <meta property="og:type" content="Article" /> <meta property="og:url" content="https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2763719" /> <meta property="og:image" content="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t1.png?Expires=2147483647&Signature=ZAYhtM-1n346hzWdtxL65O8f5aGUUd1zzvvm1USvET0p5K3lEvRqpChwPFcPEsr155aUE0ZAKgHTit3-MoldtLoGQZMNzG3ZWwsdkZK5HraMMOHS1EQWwsou~AHBm7cdN3ui-59VmG1XuntZ76bCs0m~CNR40AWScGLMlAz6RHSV5wm2ypI31~Z~Qmbhn-vg7lGmCKfhXk8Jtn4YaaQdMCb46Gm7KuAoXHnQWse4Q6BjUXs2SpxrNcKX16rqNRspy4UiVxIBM2w2MPi0ISV5sS2Y9Qto-1nJAISrLT15PTTP88p-f89xm6YxLmHZ7bkSeVdfgmzr5DIrLHl7lHRCiQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" /> <meta property="og:image" 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content="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t1.png?Expires=2147483647&Signature=ZAYhtM-1n346hzWdtxL65O8f5aGUUd1zzvvm1USvET0p5K3lEvRqpChwPFcPEsr155aUE0ZAKgHTit3-MoldtLoGQZMNzG3ZWwsdkZK5HraMMOHS1EQWwsou~AHBm7cdN3ui-59VmG1XuntZ76bCs0m~CNR40AWScGLMlAz6RHSV5wm2ypI31~Z~Qmbhn-vg7lGmCKfhXk8Jtn4YaaQdMCb46Gm7KuAoXHnQWse4Q6BjUXs2SpxrNcKX16rqNRspy4UiVxIBM2w2MPi0ISV5sS2Y9Qto-1nJAISrLT15PTTP88p-f89xm6YxLmHZ7bkSeVdfgmzr5DIrLHl7lHRCiQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" /> <script type="application/ld+json"> { "@context": "https://schema.org/", "@type": "Article", "headline": "Association of a Care Bundle for Early Sepsis Management With Mortality Among Patients With Hospital-Onset or", "author": "Jonathan D. 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Baghdadi" /><meta name="citation_author_institution" content="Department of Epidemiology and Public Health, University of Maryland, Baltimore" /><meta name="citation_author" content="Robert H. Brook" /><meta name="citation_author_institution" content="RAND Corporation, Santa Monica, California" /><meta name="citation_author_institution" content="David Geffen School of Medicine, UCLA (University of California, Los Angeles)" /><meta name="citation_author" content="Daniel Z. Uslan" /><meta name="citation_author_institution" content="Division of Infectious Diseases, UCLA" /><meta name="citation_author" content="Jack Needleman" /><meta name="citation_author_institution" content="Department of Health Policy and Management, Fielding School of Public Health, UCLA" /><meta name="citation_author" content="Douglas S. Bell" /><meta name="citation_author_institution" content="Division of General Internal Medicine, UCLA" /><meta name="citation_author" content="William E. Cunningham" /><meta name="citation_author_institution" content="Department of Health Policy and Management, Fielding School of Public Health, UCLA" /><meta name="citation_author_institution" content="Division of General Internal Medicine, UCLA" /><meta name="citation_author" content="Mitchell D. Wong" /><meta name="citation_author_institution" content="Division of General Internal Medicine, UCLA" /><meta name="citation_title" content="Association of a Care Bundle for Early Sepsis Management With Mortality Among Patients With Hospital-Onset or Community-Onset Sepsis" /><meta name="citation_firstpage" content="707" /><meta name="citation_lastpage" content="716" /><meta name="citation_doi" content="10.1001/jamainternmed.2020.0183" /><meta name="citation_keyword" content="sepsis" /><meta name="citation_keyword" content="patient care bundles" /><meta name="citation_keyword" content="organ failure" /><meta name="citation_keyword" content="vasoconstrictor agents" /><meta name="citation_keyword" content="septic shock" /><meta name="citation_keyword" content="sepsis, severe" /><meta name="citation_abstract" content="<h3>Importance</h3><p>The Early Management Bundle for Severe Sepsis/Septic Shock (SEP-1) is a quality metric based on a care bundle for early sepsis management. Published evidence on the association of SEP-1 with mortality is mixed and largely excludes cases of hospital-onset sepsis.</p><h3>Objective</h3><p>To assess the association of the SEP-1 bundle with mortality and organ dysfunction in cohorts with hospital-onset or community-onset sepsis.</p><h3>Design, Setting, and Participants</h3><p>This retrospective cohort study used data from 4 University of California hospitals from October 1, 2014, to October 1, 2017. Adult inpatients with a diagnosis consistent with sepsis or disseminated infection and laboratory or vital signs meeting the Sepsis-3 (Third International Consensus Definitions for Sepsis and Septic Shock) criteria were divided into community-onset sepsis and hospital-onset sepsis cohorts based on whether time 0 of sepsis occurred after arrival in the emergency department or an inpatient area. Data were analyzed from April to October 2019. Additional analyses were performed from December 2019 to January 2020.</p><h3>Exposures</h3><p>Administration of SEP-1 and 4 individual bundle components (serum lactate level testing, blood culture, broad-spectrum intravenous antibiotic treatment, and intravenous fluid treatment).</p><h3>Main Outcomes and Measures</h3><p>The primary outcome was in-hospital mortality. The secondary outcome was days requiring vasopressor support, measured as vasopressor days.</p><h3>Results</h3><p>Among the 6404 patient encounters identified (3535 men [55.2%]; mean [SD] age, 64.0 [18.2] years), 2296 patients (35.9%) had hospital-onset sepsis. Among 4108 patients (64.1%) with community-onset sepsis, serum lactate level testing within 3 hours of time 0 was associated with reduced mortality (absolute difference, –7.61%; 95% CI, –14.70% to –0.54%). Blood culture (absolute difference, –1.10 days; 95% CI, –1.85 to –0.34 days) and broad-spectrum intravenous antibiotic treatment (absolute difference, –0.62 days; 95% CI, –1.02 to –0.22 days) were associated with fewer vasopressor days. Among patients with hospital-onset sepsis, broad-spectrum intravenous antibiotic treatment was the only bundle component significantly associated with any improved outcome (mortality difference, –5.20%; 95% CI, –9.84% to –0.56%). Care that was adherent to the complete SEP-1 bundle was associated with increased vasopressor days in patients with community-onset sepsis (absolute difference, 0.31 days; 95% CI, 0.11-0.51 days) but was not significantly associated with reduced mortality in either cohort (absolute difference, –0.07%; 95% CI, –3.02% to 2.88% in community-onset; absolute difference, –0.42%; 95% CI, –6.77% to 5.93% in hospital-onset).</p><h3>Conclusions and Relevance</h3><p>SEP-1–adherent care was not associated with improved outcomes of sepsis. Although multiple components of SEP-1 were associated with reduced mortality or decreased days of vasopressor therapy for patients who presented with sepsis in the emergency department, only broad-spectrum intravenous antibiotic treatment was associated with reduced mortality when time 0 occurred in an inpatient unit. Current sepsis quality metrics may need refinement.</p>" /><meta name="citation_journal_title" content="JAMA Internal Medicine" /><meta name="citation_journal_abbrev" content="JAMA Intern Med" /><meta name="citation_volume" content="180" /><meta name="citation_issue" content="5" /><meta name="citation_publication_date" content="2020/05/01" /><meta name="citation_issn" content="2168-6106" /><meta name="citation_publisher" content="American Medical Association" /><meta name="citation_reference" content="citation_title=Vital signs: epidemiology of sepsis: prevalence of health care factors and opportunities for prevention.; citation_author=Novosad SA; citation_author=Sapiano MR; citation_author=Grigg C; citation_journal_title=MMWR Morb Mortal Wkly Rep; citation_year=2016; citation_volume=65; citation_issue=33; citation_pages=864-869; " /><meta name="citation_reference" content="citation_title=Incidence and trends of sepsis in US hospitals using clinical vs claims data, 2009-2014.; citation_author=CDC Prevention Epicenter Program; 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Associations of Early Management Bundle for Severe Sepsis/Septic Shock (SEP-1) and Components With Risk of Mortality and Vasopressor Days in Cohorts With Community-Onset and Hospital-Onset Sepsis</div><a id="ioi200008f1" class="figure-table-anchor"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi200008f1" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008f1.png?Expires=1735233483&Signature=ZwSNC7AiBzVZ5g7D1f~RVudDuTsxJ2k8X2cHwGYCg46cgRiJKVl0g6QV9Voi0phuVv-QFWsvwIM-zhxZtV9VtsJn~SOlsZoJdUvkiFtCqSxRc0wHJ7Dex2STg2zSc9tQT0qATgOVMa2Ta0V-BAjhcwqTGvcKfxtCuqxFBAi7~mFc1EH-WUxfFWhtpvXclDd1G1Wpa5rXBDAZ-JyNEvL6AEQ5cN09WTS-GKCTI9yw1ZYWGsFFq1-nHOrXT4SSpZ5h7eMMNkeK0ocGc257U~aAV8iR~nqJdaxI0aHF9fUsOK6RspbkPBV2vKB1d0tkUjL4oSls7hOfLt~YhM7QNRBASQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="ioi200008f1" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008f1.png?Expires=1735233483&Signature=ZwSNC7AiBzVZ5g7D1f~RVudDuTsxJ2k8X2cHwGYCg46cgRiJKVl0g6QV9Voi0phuVv-QFWsvwIM-zhxZtV9VtsJn~SOlsZoJdUvkiFtCqSxRc0wHJ7Dex2STg2zSc9tQT0qATgOVMa2Ta0V-BAjhcwqTGvcKfxtCuqxFBAi7~mFc1EH-WUxfFWhtpvXclDd1G1Wpa5rXBDAZ-JyNEvL6AEQ5cN09WTS-GKCTI9yw1ZYWGsFFq1-nHOrXT4SSpZ5h7eMMNkeK0ocGc257U~aAV8iR~nqJdaxI0aHF9fUsOK6RspbkPBV2vKB1d0tkUjL4oSls7hOfLt~YhM7QNRBASQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=245536981&ar=2763719&imagename=&siteId=15" rel="nofollow"><span class="download-ppt-text">Download</span></a><a class="figure-table-twitter figure-table-link figure-table-social addthis_button_twitter is-b" rel="nofollow"><span class="share-text"> </span></a><a class="figure-table-facebook figure-table-link figure-table-social addthis_button_facebook is-b" rel="nofollow"><span class="share-text"> </span></a></div><div class="figure-table cf cb"><div class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008f1.png?Expires=1735233483&Signature=ZwSNC7AiBzVZ5g7D1f~RVudDuTsxJ2k8X2cHwGYCg46cgRiJKVl0g6QV9Voi0phuVv-QFWsvwIM-zhxZtV9VtsJn~SOlsZoJdUvkiFtCqSxRc0wHJ7Dex2STg2zSc9tQT0qATgOVMa2Ta0V-BAjhcwqTGvcKfxtCuqxFBAi7~mFc1EH-WUxfFWhtpvXclDd1G1Wpa5rXBDAZ-JyNEvL6AEQ5cN09WTS-GKCTI9yw1ZYWGsFFq1-nHOrXT4SSpZ5h7eMMNkeK0ocGc257U~aAV8iR~nqJdaxI0aHF9fUsOK6RspbkPBV2vKB1d0tkUjL4oSls7hOfLt~YhM7QNRBASQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi200008f1" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/m_ioi200008f1.png?Expires=1735233483&Signature=YwWiW2JL9Wx~wrpSa7snQqIhLf9-VBQT0Tl14XQlWdpX7LsV3buhoP0Iyg8p4GBDK5vBxV3AkQuBzYop9i-pXbt7OvaORoRWwy8XLr50DcNak4TmKHqUgJkqOdvKKwNG0y7ituhTIq9FzyG6wiZMxm3Js-Ks90hn8FNbq-wuZU0khCqf3uolxc8NyUIp39CJOlnylXX1F6cqRYE-8xF9pkzgwIkubuzQ6hNBGTREHB0RyPwk7go463cXgrNReHEhe-PaTJ8iEGMeDVl7-F5EyU8YZagVqZNvr9RQ3WuzUREC5B33y~g6i5c72lmy08kmaCQv2YeyoymEadA0KTJ8Tg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Associations of Early Management Bundle for Severe Sepsis/Septic Shock (SEP-1) and Components With Risk of Mortality and Vasopressor Days in Cohorts With Community-Onset and Hospital-Onset Sepsis" class="content-img lazy" path-from-xml="ioi200008f1" /></a></div></div><div class="figure-caption clip-last-child"><p class="para">Community-onset sepsis was defined by occurrence of time 0 of sepsis in the emergency department; hospital-onset, time 0 in an inpatient unit. Patients with signs of infection or clinical instability in the emergency department who did not meet the criteria for sepsis until arrival in an inpatient unit were counted as having hospital-onset sepsis. Vasopressor days indicates the requirement of blood pressure support with a vasopressor medication in the 10 days after time 0.</p></div></div> </div> <div class="widget-ArticleFiguresAndTables widget-instance-AMA_Article_Tables_Tab"> <div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table 1. Characteristics of the Cohort With Community-Onset Sepsis Before and After Being Rebalanced for Treatment and Observable Characteristics<sup>a</sup></div><a class="figure-table-anchor" id="ioi200008t1"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi200008t1" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t1.png?Expires=1735233483&Signature=LAUt~I9pYHxgqkPjh~aBAQxxppS2vOpyUwUpeY4X2q3JePUWObfiwsxFOBjlB0F92nR5CakihgY8TQaMCQTrnU~XEx2UVBd7xd~lNx2EwyHHLuHwWbhb6XEzt-n4UGryJUOHJGqd2TsnQTzEpC8mKbeFOGFwzPoeytmPrEq1qywFbtL4O1xWCk1DWwp-yMGVqLQ8hfsZZ~Baj53wGlmVHGZimHXv0X5hxIKHdUxPtk4cmmb5gw6AAJLRaDmmMi7JtXQ1ov-3FakGxwOqHRqwQCLWg86EfelR8KM5KwRx3u6f~~TnsRNF0h6Mg1wRk0oywDnUjZWwZJSHQqI0feZ5XA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="ioi200008t1" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t1.png?Expires=1735233483&Signature=LAUt~I9pYHxgqkPjh~aBAQxxppS2vOpyUwUpeY4X2q3JePUWObfiwsxFOBjlB0F92nR5CakihgY8TQaMCQTrnU~XEx2UVBd7xd~lNx2EwyHHLuHwWbhb6XEzt-n4UGryJUOHJGqd2TsnQTzEpC8mKbeFOGFwzPoeytmPrEq1qywFbtL4O1xWCk1DWwp-yMGVqLQ8hfsZZ~Baj53wGlmVHGZimHXv0X5hxIKHdUxPtk4cmmb5gw6AAJLRaDmmMi7JtXQ1ov-3FakGxwOqHRqwQCLWg86EfelR8KM5KwRx3u6f~~TnsRNF0h6Mg1wRk0oywDnUjZWwZJSHQqI0feZ5XA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=245536970&ar=2763719&imagename=&siteId=15" rel="nofollow"><span class="download-ppt-text">Download</span></a><a class="figure-table-twitter figure-table-link figure-table-social addthis_button_twitter is-b" rel="nofollow"><span class="share-text"> </span></a><a class="figure-table-facebook figure-table-link figure-table-social addthis_button_facebook is-b" rel="nofollow"><span class="share-text"> </span></a></div><div class="figure-table cf cb"><div class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t1.png?Expires=1735233483&Signature=LAUt~I9pYHxgqkPjh~aBAQxxppS2vOpyUwUpeY4X2q3JePUWObfiwsxFOBjlB0F92nR5CakihgY8TQaMCQTrnU~XEx2UVBd7xd~lNx2EwyHHLuHwWbhb6XEzt-n4UGryJUOHJGqd2TsnQTzEpC8mKbeFOGFwzPoeytmPrEq1qywFbtL4O1xWCk1DWwp-yMGVqLQ8hfsZZ~Baj53wGlmVHGZimHXv0X5hxIKHdUxPtk4cmmb5gw6AAJLRaDmmMi7JtXQ1ov-3FakGxwOqHRqwQCLWg86EfelR8KM5KwRx3u6f~~TnsRNF0h6Mg1wRk0oywDnUjZWwZJSHQqI0feZ5XA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi200008t1" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/m_ioi200008t1.png?Expires=1735233483&Signature=Jn02eyd8DkPU-QREShy-URPb2zuNZSEixLXYuZ7NdsBNYe3QhGHBLNacCqRthoLGc9RfFintaEfV-OWV71-XyqQhHVN6jFpK6a-Lf5OIQL7Ky8hgNETSHexVNWvxsHow62~v3xRoq5Z0e2CZrdoQOZP5B8e65Frn-RDad3oSf3Eft768qE90bUAPN9NuBgfBQXUTd8SlQYZIMplRXXXzYssdvcl66L~I6Ba8rn0MBpjFVJghB2kPM8~9V4tk4rsHCSQEZO0kGt3dlf0RPXk16Jps6Ljb-tivqUC7rkXThzebkDpqAT4VEKk7rHmM6ps3fK-oGLz--OZjAlbWcIjbYQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Characteristics of the Cohort With Community-Onset Sepsis Before and After Being Rebalanced for Treatment and Observable Characteristicsa" class="content-img lazy" path-from-xml="ioi200008t1" /></a></div></div><div class="table-caption"></div></div><div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table 2. Characteristics of the Cohort With Hospital-Onset Sepsis Before and After Being Rebalanced for Treatment and Observable Characteristics<sup>a</sup></div><a class="figure-table-anchor" id="ioi200008t2"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi200008t2" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t2.png?Expires=1735233483&Signature=ZnAUs6ZZAP7yiojYSizhHbTceb7eiZ~QsVKECawyVQtDOCvO5jvPNnBklQRkyh0qOnRzm1QLk2GB3owKlE1S~Ud~BCq92jJmbNXqyo0g1Ujr2vWJVsEbSkIlINLlj4Gle4Lrj-7d0H30V7glB1Q3Tj0PAF2HJrhJTAx1sRtG3Ca6jDu5AbQgYnr9vXl7bYUhukGn1t~I4hy0YAy4uhlsBG4J2nDAysJY-Rt4oNZtKs5yIZ0RLfR4HWgwJdHqb4zZ9crEg8Gr6FnG7uKII3XkkX03czxshG6xd4NZsVI6e59729yJf-hv1MwT96unMfUzzt4Rz8cTiIaUURS2nSWyAA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="ioi200008t2" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t2.png?Expires=1735233483&Signature=ZnAUs6ZZAP7yiojYSizhHbTceb7eiZ~QsVKECawyVQtDOCvO5jvPNnBklQRkyh0qOnRzm1QLk2GB3owKlE1S~Ud~BCq92jJmbNXqyo0g1Ujr2vWJVsEbSkIlINLlj4Gle4Lrj-7d0H30V7glB1Q3Tj0PAF2HJrhJTAx1sRtG3Ca6jDu5AbQgYnr9vXl7bYUhukGn1t~I4hy0YAy4uhlsBG4J2nDAysJY-Rt4oNZtKs5yIZ0RLfR4HWgwJdHqb4zZ9crEg8Gr6FnG7uKII3XkkX03czxshG6xd4NZsVI6e59729yJf-hv1MwT96unMfUzzt4Rz8cTiIaUURS2nSWyAA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=245536974&ar=2763719&imagename=&siteId=15" rel="nofollow"><span class="download-ppt-text">Download</span></a><a class="figure-table-twitter figure-table-link figure-table-social addthis_button_twitter is-b" rel="nofollow"><span class="share-text"> </span></a><a class="figure-table-facebook figure-table-link figure-table-social addthis_button_facebook is-b" rel="nofollow"><span class="share-text"> </span></a></div><div class="figure-table cf cb"><div class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t2.png?Expires=1735233483&Signature=ZnAUs6ZZAP7yiojYSizhHbTceb7eiZ~QsVKECawyVQtDOCvO5jvPNnBklQRkyh0qOnRzm1QLk2GB3owKlE1S~Ud~BCq92jJmbNXqyo0g1Ujr2vWJVsEbSkIlINLlj4Gle4Lrj-7d0H30V7glB1Q3Tj0PAF2HJrhJTAx1sRtG3Ca6jDu5AbQgYnr9vXl7bYUhukGn1t~I4hy0YAy4uhlsBG4J2nDAysJY-Rt4oNZtKs5yIZ0RLfR4HWgwJdHqb4zZ9crEg8Gr6FnG7uKII3XkkX03czxshG6xd4NZsVI6e59729yJf-hv1MwT96unMfUzzt4Rz8cTiIaUURS2nSWyAA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi200008t2" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/m_ioi200008t2.png?Expires=1735233483&Signature=MshzSXindHgbtbHk0atw53bWq83WE6SdiZaQlk~jYmZVw8uVraHmqNbHPzQswrVEDvRYTzPefAQETGUwlwRYqYN02MJmKQItlLT4BB~wogy7TKNymsMYM4-22cr9bA7WW4P411FCilwN67nOaE6HCj6QmVPCLcrJPT9p5R2XNhFCQolh-6jT~42breKTXVU90DrWy1irGq~autNzhnh3jKGE9vgNIEFSAUEonA3XJw0IJm23GKZLQhdeLirWh1XCnhPZYqSfD5L6G74DuU19OnoWGTrk28qZ8Lme7mxc1fBjGbXNwrraRPEec~z2MD6uJLMzOJxDSTWdAhzCkrBN5w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Characteristics of the Cohort With Hospital-Onset Sepsis Before and After Being Rebalanced for Treatment and Observable Characteristicsa" class="content-img lazy" path-from-xml="ioi200008t2" /></a></div></div><div class="table-caption"></div></div><div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table 3. Associations of SEP-1 and Components With Risk of Mortality and Vasopressor Days in Rebalanced Cohorts With Community-Onset and Hospital-Onset Sepsis</div><a class="figure-table-anchor" id="ioi200008t3"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi200008t3" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t3.png?Expires=1735233483&Signature=rbFi4lBAFmmGdsZVjWzx1JizD-mRsy1IWqASjaa3k0OK1xO0WgqIwumkK9mT8M06Xps5wTSY6HvcupQvSzsAqm0nypeV2fZZe-wEY4JPG0oCOMT-f6Hk0CNi0-ID3UKY5HwfVduLqqEwkjmGso0yPcCUqgsupyZwXRfYtFDSawfXotIRD3SmmjfiTCHMAvr9grNW-231~ZqE0QpsTBohqwDy6KEgrkeSeEmkuXuYlzzHv8aVxh4UqMz-kdoDq0vJssU3m7fIdbAE~l5LzAWBqp5XgbqvFvRmRhiY0hqvtspghsK0V4oWV-wi6XO1-7iXfE58nWeoofricidV-Ch2~w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="ioi200008t3" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t3.png?Expires=1735233483&Signature=rbFi4lBAFmmGdsZVjWzx1JizD-mRsy1IWqASjaa3k0OK1xO0WgqIwumkK9mT8M06Xps5wTSY6HvcupQvSzsAqm0nypeV2fZZe-wEY4JPG0oCOMT-f6Hk0CNi0-ID3UKY5HwfVduLqqEwkjmGso0yPcCUqgsupyZwXRfYtFDSawfXotIRD3SmmjfiTCHMAvr9grNW-231~ZqE0QpsTBohqwDy6KEgrkeSeEmkuXuYlzzHv8aVxh4UqMz-kdoDq0vJssU3m7fIdbAE~l5LzAWBqp5XgbqvFvRmRhiY0hqvtspghsK0V4oWV-wi6XO1-7iXfE58nWeoofricidV-Ch2~w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=245536977&ar=2763719&imagename=&siteId=15" rel="nofollow"><span class="download-ppt-text">Download</span></a><a class="figure-table-twitter figure-table-link figure-table-social addthis_button_twitter is-b" rel="nofollow"><span class="share-text"> </span></a><a class="figure-table-facebook figure-table-link figure-table-social addthis_button_facebook is-b" rel="nofollow"><span class="share-text"> </span></a></div><div class="figure-table cf cb"><div class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t3.png?Expires=1735233483&Signature=rbFi4lBAFmmGdsZVjWzx1JizD-mRsy1IWqASjaa3k0OK1xO0WgqIwumkK9mT8M06Xps5wTSY6HvcupQvSzsAqm0nypeV2fZZe-wEY4JPG0oCOMT-f6Hk0CNi0-ID3UKY5HwfVduLqqEwkjmGso0yPcCUqgsupyZwXRfYtFDSawfXotIRD3SmmjfiTCHMAvr9grNW-231~ZqE0QpsTBohqwDy6KEgrkeSeEmkuXuYlzzHv8aVxh4UqMz-kdoDq0vJssU3m7fIdbAE~l5LzAWBqp5XgbqvFvRmRhiY0hqvtspghsK0V4oWV-wi6XO1-7iXfE58nWeoofricidV-Ch2~w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi200008t3" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/m_ioi200008t3.png?Expires=1735233483&Signature=E9ScwEjJDovLPRbTAf28APEvUVhCLsgz~dUQ4sZ5KhSYoNijz4PpmHgyWm4KF6SzwossNCaCszEbXxWIXoUsKkesAYCJQauIJg~VxYhFwGppS8GtSeW-DPii08kuHM0PL7PPPBA-3FDZ0nVPqjSQ9nSQATWu9yqTdgqOSaPwH5iuR4AIoJReWOsGCQxRqu1ZioqfawQILP-6noNO0wYPwfs7FxQtotAET3~~yb3GDoHgNWXD7Sk5x-QH3elNwXhIJ6iFtd4cdRBR9FfkeRbJqq3lD7zNwLPSca6vM4Fd7hySelZ6eR3AGvwqlxj13Jl2Xb2YnirgHHqxC4smxCUKvg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Associations of SEP-1 and Components With Risk of Mortality and Vasopressor Days in Rebalanced Cohorts With Community-Onset and Hospital-Onset Sepsis" class="content-img lazy" path-from-xml="ioi200008t3" /></a></div></div><div class="table-caption"></div></div><div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table 4. Treatment Association of the SEP-1 Bundle and Components With Mortality and Vasopressor Days in the Rebalanced Total Sample</div><a class="figure-table-anchor" id="ioi200008t4"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi200008t4" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t4.png?Expires=1735233483&Signature=Ip-JeSxeIJ3eygvgA4S48Chj6VSfJUamTE3anKEOuHAtC3p8KhlLAKSUISoJ9~m22t0nGFXWZ0kUfiMTYky1ykSg1m~RGk5Qwxt0LVkEYAvue8Tu5HY05hyZ2hSusGQeoTlSDhNUYF4CoOguQiBfwANx7wcXuGbpRD4rVgxb9E6rRfBGysCoAoLJYWZoNLM6WfmMuEeB-RgGeaxntvudGI0cFM3qY30HM2toUNmmSkXUzVwfjC43fSaH-8mYyw74KoSIlxQJUNgt3lbj10rwsNwuN9mUiSXv9iikshWU~ORnIhngPxP4FD8nvnrDWYNF8brgk2tagNjYWVoQ-mPokA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="ioi200008t4" 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class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008t4.png?Expires=1735233483&Signature=Ip-JeSxeIJ3eygvgA4S48Chj6VSfJUamTE3anKEOuHAtC3p8KhlLAKSUISoJ9~m22t0nGFXWZ0kUfiMTYky1ykSg1m~RGk5Qwxt0LVkEYAvue8Tu5HY05hyZ2hSusGQeoTlSDhNUYF4CoOguQiBfwANx7wcXuGbpRD4rVgxb9E6rRfBGysCoAoLJYWZoNLM6WfmMuEeB-RgGeaxntvudGI0cFM3qY30HM2toUNmmSkXUzVwfjC43fSaH-8mYyw74KoSIlxQJUNgt3lbj10rwsNwuN9mUiSXv9iikshWU~ORnIhngPxP4FD8nvnrDWYNF8brgk2tagNjYWVoQ-mPokA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi200008t4" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/m_ioi200008t4.png?Expires=1735233483&Signature=DrQZ5Cht~s5IMX5Ps3U0d5Na4qFVlEUjH6de5wKLnwuyXSC7o46HgL3jhTGkTtw6o2JSkvzOy-S771ks3FdgN3Lc2z2ydPpzBj7cGjB8lor5EyNHFxnx7233z-pw2DR5iZT5xdx-b3S-~pWHNoa67NLY3zmQikMaoY3Zdeoal8kC8shdWWfRJXsvxq1yzfwN87s1rlKxL33qQFZBlcyuphgYugl7tfARy8akKJnobsFkJYxwbDVJC~Ks9T~vVf4Sfr8JEIELLKNoh7sLrhfut3aajl2G4pccE8BTDPQOA3twRsUIidZBmsX3jwzEmj9ysfEwmUqWRKv-nnqT8JX-eA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Treatment Association of the SEP-1 Bundle and Components With Mortality and Vasopressor Days in the Rebalanced Total Sample" class="content-img lazy" path-from-xml="ioi200008t4" /></a></div></div><div class="table-caption"></div></div> </div> </div> <div id="multimedia-tab" class="resource-tab js-resource-tab multimedia-tab need-jobs-ad"> </div> <div id="supplemental-tab" class="resource-tab js-resource-tab supplemental-tab need-jobs-ad"> <div class="widget-ArticleDataSupplements widget-instance-AMA_Data_Supplements_Tab"> <div class="supplement"> <a id="note-IOI200008-1" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/938453/ioi200008supp1_prod.pdf?Expires=1735371255&Signature=w0lNjJ3zj1vP5aIKX3A5qoAwqfVDEinzYOC9BeNMx~dkdxfdJYmZdiQoaWsFV9MEQEnerOAjJKenbgWAJLKec4kkjgaSgfnWLwK30624qvKSnnApXhub6LvF64WNuYlp2DomyBwsUwOBNI4ZqZo9rGD-Y~9pgXbCv2zhuLPWeIyQ83BlzuZWDHNMSOTIfoVJCiwno7BDuSeUGY8ehEAkOdukpx2yD3jN4P-EWRD8jFG1lscO-BpZUgABy6TvOp0MELCql2ye-WBJxDiXCbzhvh-DfsjZjMTcyd3~jd1iUiMUq5rII4c9BHAT3P~lwEyTC4C1IJUe~z1ILGgFCXHShg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" class="supplement-link supplement-download stats-supplement-download" rel="nofollow"> <div class="pdf supplement-type"></div> <div class="supplement-title"><span class="title-label">Supplement.</span><p class="para"><strong>eTable 1.</strong> Pairwise Correlation Between Individual SEP-1 Sepsis Bundle Components for Patients with Community-onset Sepsis and Hospital-onset Sepsis</p><p class="para"><strong>eTable 2.</strong> Relative Risk of In-hospital Mortality Associated with Clinical Variables in the Raw Cohorts with Community-onset and Hospital-onset Sepsis</p><p class="para"><strong>eTable 3.</strong> Characteristics of the Total Sample Before and After Being Rebalanced on Propensity for Treatment and Observable Characteristics</p><p class="para"><strong>eTable 4.</strong> Relative Risk of In-hospital Mortality Associated with Clinical Variables in the Raw Total Sample</p><p class="para"><strong>eTable 5.</strong> Results from Endogenous Treatment Effects Models Compared with Unweighted/Unbalanced Regression</p><p class="para"><strong>eTable 6.</strong> Prespecified Sensitivity Analyses Evaluating Treatment Effect of the Complete SEP-1 Bundle in Different Cohorts</p><p class="para"><strong>eTable 7.</strong> Treatment Effects of SEP-1 Bundle Components in Different Cohorts</p><p class="para"><strong>eTable 8.</strong> Treatment Effects of SEP-1 Sepsis Bundle and Components on 30-Day In-hospital Mortality in Total Sample and Rebalanced Cohorts with Community-onset and Hospital-onset Sepsis</p><p class="para"><strong>eTable 9.</strong> Treatment Effects of SEP-1 Sepsis Bundle and Components on Hospital Length of Stay (Measured from Time Zero of Sepsis until Discharge)</p><p class="para"><strong>eTable 10.</strong> Treatment Effects of SEP-1 Sepsis Bundle and Components on Composite Outcome of In-hospital Mortality or Discharge to Hospice</p><p class="para"><strong>eTable 11.</strong> Treatment Effects of SEP-1 Sepsis Bundle and Components in Rebalanced Cohorts with Sepsis Presenting on the Inpatient Ward or Intensive Care Unit</p><p class="para"><strong>eTable 12.</strong> Treatment Effects of SEP-1 Sepsis Bundle and Components in Rebalanced Cohorts with Time Zero of Sepsis <48 or >48 Hours After Arrival</p><p class="para"><strong>eTable 13.</strong> Post Hoc Sensitivity Analyses</p></div> </a> </div> </div> </div> <div id="references-tab" 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data-value="Article" data-type="string"></span> <div class="meta-article-type-wrap"> <div class="meta-article-type thm-col">Original Investigation </div> </div> <div class="meta-date">April 6, 2020</div> <div class="meta-article-title-wrap"> <h1 class="meta-article-title ">Association of a Care Bundle for Early Sepsis Management With Mortality Among Patients With Hospital-Onset or Community-Onset Sepsis</h1> </div> <div class="meta-authors"> <span class="meta-authors--limited"><span class="wi-fullname brand-fg"><a href="/searchresults?author=Jonathan+D.+Baghdadi&q=Jonathan+D.+Baghdadi" rel=nofollow target="_blank">Jonathan D. Baghdadi, MD, PhD<sup>1</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Robert+H.+Brook&q=Robert+H.+Brook" rel=nofollow target="_blank">Robert H. Brook, MD, ScD<sup>2,3</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Daniel+Z.+Uslan&q=Daniel+Z.+Uslan" rel=nofollow target="_blank">Daniel Z. Uslan, MD, MBA<sup>4</sup></a></span>; <a class="meta-authors--etal td-u stats-meta-authors--etal">et al</a></span> <span class="meta-authors--remaining"><span class="wi-fullname brand-fg"><a href="/searchresults?author=Jack+Needleman&q=Jack+Needleman" rel=nofollow target="_blank">Jack Needleman, PhD<sup>5</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Douglas+S.+Bell&q=Douglas+S.+Bell" rel=nofollow target="_blank">Douglas S. Bell, MD, PhD<sup>6</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=William+E.+Cunningham&q=William+E.+Cunningham" rel=nofollow target="_blank">William E. Cunningham, MD, MPH<sup>5,6</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Mitchell+D.+Wong&q=Mitchell+D.+Wong" rel=nofollow target="_blank">Mitchell D. Wong, MD, PhD<sup>6</sup></a></span></span> </div> <div class="meta-author"> <a class="meta-author-title is-b stats-meta-author-toggle" data-tog-target=".meta-author-content">Author Affiliations</a> <a class="meta-articleinfo-jumplink section-jump-link scroll-to stats-scroll-to-articleinfo" data-tab-toggle=".tab-nav-full-text" href="#245537005">Article Information</a> <div class="meta-author-content"> <ul class="meta-author-affiliations"> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>1</sup>Department of Epidemiology and Public Health, University of Maryland, Baltimore</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>2</sup>RAND Corporation, Santa Monica, California</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>3</sup>David Geffen School of Medicine, UCLA (University of California, Los Angeles)</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>4</sup>Division of Infectious Diseases, UCLA</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>5</sup>Department of Health Policy and Management, Fielding School of Public Health, UCLA</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>6</sup>Division of General Internal Medicine, UCLA</div> </li> </ul> </div> </div> <div class="meta-citation-wrap"> <span class="meta-citation-journal-name">JAMA Intern Med. </span><span class="meta-citation"> 2020;180(5):707-716. doi:10.1001/jamainternmed.2020.0183</span> </div> </div> <div class="widget-EditorsChoice widget-instance-AMA_EditorsChoice_Links"> <div class="sm-linked-content"> <div class="sm-linked-content--item"> <a href="https://sites.jamanetwork.com/sepsis/" target="_blank" class="sm-linked-content--link fw-b sb-tc"><i class="icon-url d-ib thm-col"></i>JAMA Sepsis Website</a> </div> </div> </div> <div class="widget-LinkedContentToolbar widget-instance-AMA_LinkedContentToolbar"> <div class="linked-content-toolbar"> <div class="hidden js-search-open-multimedia-by-default" showContentByDefault="False"></div> <div class="linked-content-controls"> <a class="linked-content-trigger td-n stats-graphical-abstract" href="#graphical-abstract-tab"> <i class="icon-visual-abstract"><span class="sr-t">visual abstract icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Visual <div>Abstract</div></div> </a> <a class="linked-content-trigger td-n stats-editorial-comment" href="#editorial-comment-tab"> <i class="icon-document"><span class="sr-t">editorial comment icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Editorial <div>Comment</div></div> </a> <a class="linked-content-trigger td-n stats-related-articles" href="#related-articles-tab"> <i class="icon-related"><span class="sr-t">related articles icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Related <div>Articles</div></div> </a> <a class="linked-content-trigger td-n stats-author-interviews" href="#author-interviews-tab"> <i class="icon-author_interview"><span class="sr-t">author interview icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Interviews</div> </a> <a class="linked-content-trigger td-n stats-more-multimedia" href="#more-multimedia-tab"> <i class="icon-multimedia"><span class="sr-t">multimedia icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Multimedia</div> </a> <a class="linked-content-trigger td-n stats-listen-to-this-article" href="#listen-to-this-article-tab"> <i class="icon-audio"><span class="sr-t">audio icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Listen to <div>this article</div></div> </a> </div> <div class="linked-content-tabs"> <div id="graphical-abstract-tab" class="linked-content-tab graphical-abstract-tab"> <div class="widget-SectionDisplay widget-instance-AMA_GraphicalAbstract_Tab"> </div> </div> <div id="editorial-comment-tab" class="linked-content-tab editorial-comment-tab"> <div class="widget-ArticleLinks widget-instance-AMA_LinkedContentToolbar_EditorialComments"> <ul class="article-abstract-links related-abstract-content"> <li class="article-link related-abstract-article"> <a class="related-article-title" href="https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2763717"> <div class="related-article-type">Invited Commentary</div> <div class="related-article-title sb-tc">How Effective Is the Early Management Bundle for Severe Sepsis/Septic Shock?</div> </a> <div class="related-article-authors">Hannah Moreira, MD, MPH; Richard Sinert, DO</div> <div class="related-article-journal-name">JAMA Internal Medicine</div> </li> </ul> </div> </div> <div id="related-articles-tab" class="linked-content-tab related-article-tab"> <div class="widget-ArticleLinks widget-instance-AMA_LinkedContentToolbar_RelatedArticle"> <ul class="article-abstract-links related-abstract-content"> <li class="article-link related-abstract-article"> <a class="related-article-title" href="https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2769768"> <div class="related-article-type">Comment & Response</div> <div class="related-article-title sb-tc">SEP-1 Septic Shock Bundle Guidelines Not Applicable to Inpatients</div> </a> <div class="related-article-authors">Jason Stankiewicz, MD; Maniraj Jeyaraju, BS; Michael T. McCurdy, MD</div> <div class="related-article-journal-name">JAMA Internal Medicine</div> </li> <li class="article-link related-abstract-article"> <a class="related-article-title" href="https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2769769"> <div class="related-article-type">Comment & Response</div> <div class="related-article-title sb-tc">SEP-1 Septic Shock Bundle Guidelines Not Applicable to Inpatients—Reply</div> </a> <div class="related-article-authors">Jonathan D. Baghdadi, MD, PhD; Daniel Z. Uslan, MD, MBA; Mitchell D. Wong, MD, PhD</div> <div class="related-article-journal-name">JAMA Internal Medicine</div> </li> </ul> </div> <div class="widget-ArticleLinks widget-instance-AMA_LinkedContentToolbar_RelatedEditorsChoices"> </div> </div> <div id="author-interviews-tab" class="linked-content-tab linked-author-interviews-tab"> <div class="widget-AudioPlayer widget-instance-AMA_LinkedContentToolbar_PlatformAudioPlayer_AuthorInterviews"> </div> </div> <div id="listen-to-this-article-tab" class="linked-content-tab linked-listen-to-this-article-tab"> <div class="widget-AudioPlayer widget-instance-AMA_LinkedContentToolbar_PlatformAudioPlayer_ListenToThisArticle"> </div> </div> <div id="more-multimedia-tab" class="linked-content-tab more-multimedia-tab"> </div> </div> </div> </div> <div class="widget-ArticleFulltext widget-instance-AMA_Article_FullText_Widget"> <div class="article-full-text" data-userHasAccess="True"> <a class="article-section-id-anchor" id="245536933"></a> <span class="heading-text thm-col h3 cb section-type-keyPoints decorated-hed sb-sc ">Key Points</span><p><strong>Question</strong> <span>What is the association of a care bundle for early sepsis management, the Early Management Bundle for Severe Sepsis/Septic Shock (SEP-1), and its components with mortality and organ dysfunction in hospitalized patients with community-onset or hospital-onset sepsis?</span></p><p><strong>Findings</strong> <span>In this cohort study of 6404 patients, SEP-1–adherent care was not associated with reduced mortality or decreased vasopressor support among patients with sepsis in the emergency department (community-onset sepsis), patients first meeting sepsis criteria after arrival in an inpatient unit (hospital-onset sepsis), or the total sample. Multiple components of SEP-1 were associated with improved outcomes among patients with sepsis in the emergency department, a statistically significant finding.</span></p><p><strong>Meaning</strong> <span>The SEP-1–adherent care was not associated with improved outcomes, but individual SEP-1 components were associated with benefit in patients with community-onset sepsis.</span></p> <a class="article-section-id-anchor" id="245536934"></a> <div class="h3 cb section-type-abstract decorated-hed "> <div class="heading-text thm-col sb-sc"> Abstract </div> </div> <p><strong>Importance</strong> <span>The Early Management Bundle for Severe Sepsis/Septic Shock (SEP-1) is a quality metric based on a care bundle for early sepsis management. Published evidence on the association of SEP-1 with mortality is mixed and largely excludes cases of hospital-onset sepsis.</span></p><p><strong>Objective</strong> <span>To assess the association of the SEP-1 bundle with mortality and organ dysfunction in cohorts with hospital-onset or community-onset sepsis.</span></p><p><strong>Design, Setting, and Participants</strong> <span>This retrospective cohort study used data from 4 University of California hospitals from October 1, 2014, to October 1, 2017. Adult inpatients with a diagnosis consistent with sepsis or disseminated infection and laboratory or vital signs meeting the Sepsis-3 (Third International Consensus Definitions for Sepsis and Septic Shock) criteria were divided into community-onset sepsis and hospital-onset sepsis cohorts based on whether time 0 of sepsis occurred after arrival in the emergency department or an inpatient area. Data were analyzed from April to October 2019. Additional analyses were performed from December 2019 to January 2020.</span></p><p><strong>Exposures</strong> <span>Administration of SEP-1 and 4 individual bundle components (serum lactate level testing, blood culture, broad-spectrum intravenous antibiotic treatment, and intravenous fluid treatment).</span></p><p><strong>Main Outcomes and Measures</strong> <span>The primary outcome was in-hospital mortality. The secondary outcome was days requiring vasopressor support, measured as vasopressor days.</span></p><p><strong>Results</strong> <span>Among the 6404 patient encounters identified (3535 men [55.2%]; mean [SD] age, 64.0 [18.2] years), 2296 patients (35.9%) had hospital-onset sepsis. Among 4108 patients (64.1%) with community-onset sepsis, serum lactate level testing within 3 hours of time 0 was associated with reduced mortality (absolute difference, –7.61%; 95% CI, –14.70% to –0.54%). Blood culture (absolute difference, –1.10 days; 95% CI, –1.85 to –0.34 days) and broad-spectrum intravenous antibiotic treatment (absolute difference, –0.62 days; 95% CI, –1.02 to –0.22 days) were associated with fewer vasopressor days. Among patients with hospital-onset sepsis, broad-spectrum intravenous antibiotic treatment was the only bundle component significantly associated with any improved outcome (mortality difference, –5.20%; 95% CI, –9.84% to –0.56%). Care that was adherent to the complete SEP-1 bundle was associated with increased vasopressor days in patients with community-onset sepsis (absolute difference, 0.31 days; 95% CI, 0.11-0.51 days) but was not significantly associated with reduced mortality in either cohort (absolute difference, –0.07%; 95% CI, –3.02% to 2.88% in community-onset; absolute difference, –0.42%; 95% CI, –6.77% to 5.93% in hospital-onset).</span></p><p><strong>Conclusions and Relevance</strong> <span>SEP-1–adherent care was not associated with improved outcomes of sepsis. Although multiple components of SEP-1 were associated with reduced mortality or decreased days of vasopressor therapy for patients who presented with sepsis in the emergency department, only broad-spectrum intravenous antibiotic treatment was associated with reduced mortality when time 0 occurred in an inpatient unit. Current sepsis quality metrics may need refinement.</span></p> <div class="movable-ad-target bta"> </div> <a class="article-section-id-anchor" id="245536939"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Introduction </div> </div> <a class="article-section-id-anchor" id="245536940"></a> <p class="para">Most patients with sepsis exhibit the signs and symptoms of a dysregulated host response to infection at the time of admission to the hospital (ie, community-onset sepsis).<sup><a href="#ioi200008r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup><sup>-<a href="#ioi200008r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">3</a></sup> Only 10% to 20% of cases are hospital onset, meaning that the signs and symptoms develop after hospital admission. The level of risk varies markedly among individuals with sepsis, with mortality ranging from 5% to 50%.<sup><a href="#ioi200008r4" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">4</a></sup><sup>-<a href="#ioi200008r4" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">6</a></sup> On average, in-hospital mortality is more common among patients with hospital-onset sepsis than those with community-onset sepsis.<sup><a href="#ioi200008r2" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">2</a></sup><sup>,<a href="#ioi200008r7" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">7</a></sup><sup>-<a href="#ioi200008r7" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">9</a></sup></p> <a class="article-section-id-anchor" id="245536941"></a> <p class="para">Protocols that combine multiple interventions for early sepsis care, or <i>sepsis bundles</i>, have mainly been studied in the context of community-onset sepsis (including the major trials related to early goal-directed therapy).<sup><a href="#ioi200008r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">10</a></sup><sup>-<a href="#ioi200008r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">15</a></sup> For management of hospital-onset sepsis, the effectiveness of sepsis bundles remains unproven, to our knowledge. Nonetheless, the Early Management Bundle for Severe Sepsis/Septic Shock (SEP-1) is recommended for all patients with sepsis, including those with community-onset and hospital-onset sepsis.<sup><a href="#ioi200008r16" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">16</a></sup><sup>,<a href="#ioi200008r17" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">17</a></sup> The purpose of this study was to assess the association of SEP-1 with mortality and organ dysfunction in patients with community-onset or hospital-onset sepsis and, thus, to evaluate the use of SEP-1 as a quality metric.</p> <a class="article-section-id-anchor" id="245536942"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Methods </div> </div> <a class="article-section-id-anchor" id="245536943"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Study Design and Data Source </div> </div> <a class="article-section-id-anchor" id="245536944"></a> <p class="para">For this retrospective cohort study, clinical data were obtained from the electronic medical records of 4 academic teaching hospitals (Ronald Reagan Medical Center, Los Angeles, California; Santa Monica Hospital, Santa Monica, California; Jacobs Medical Center, La Jolla, California; and University of San Diego Medical Center, Hillcrest, San Diego, California) offering diverse clinical services. All data were collected as part of routine clinical care. The UCLA (University of California, Los Angeles) institutional review board approved the protocol and waived requirement of informed consent. Data from University of California, San Diego were deidentified. Data from UCLA were linked by the study identifier to medical record numbers that could be used to access charts for data validation.</p> <a class="article-section-id-anchor" id="245536945"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Inclusion and Exclusion Criteria </div> </div> <a class="article-section-id-anchor" id="245536946"></a> <p class="para">All hospital admissions for patients 18 years or older who had a diagnosis of sepsis or disseminated infection at 2 hospitals between October 1, 2014, and October 1, 2017, and at another 2 hospitals between October 1, 2014, and October 1, 2016, were screened for inclusion. The following exclusion criteria were used as specified by SEP-1: hospitalization for more than 120 days or fewer than 6 hours, admission by transfer from another acute care facility, or receipt of broad-spectrum intravenous antibiotic treatment for 24 hours or longer at time 0 of sepsis. Only patients with vital signs and laboratory values consistent with the Sepsis-3 (Third International Consensus Definitions for Sepsis and Septic Shock)<sup><a href="#ioi200008r18" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">18</a></sup> definition of sepsis (formerly severe sepsis or septic shock) were included in the analysis.</p> <a class="article-section-id-anchor" id="245536947"></a> <p class="para">For encounters before October 1, 2015, sepsis encounters were identified using diagnosis codes from Martin et al.<sup><a href="#ioi200008r19" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">19</a></sup><sup>-<a href="#ioi200008r19" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">22</a></sup> For hospitalizations after October 1, 2015, diagnosis codes provided by the Center for Medicare & Medicaid Services (CMS) were paired with diagnosis codes for organ dysfunction in a process analogous to the Martin method. If an explicit diagnosis of severe sepsis or septic shock was present, a concurrent diagnosis of organ dysfunction was not required.</p> <a class="article-section-id-anchor" id="245536948"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Definitions </div> </div> <a class="article-section-id-anchor" id="245536949"></a> <p class="para">We defined sepsis as suspected infection with organ dysfunction, including syndromes previously called <i>severe sepsis</i> and <i>septic shock</i>, based on Sepsis-3.<sup><a href="#ioi200008r18" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">18</a></sup> Other definitions were based on the core measure SEP-1.<sup><a href="#ioi200008r16" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">16</a></sup></p> <a class="article-section-id-anchor" id="245536950"></a> <p class="para">Time 0 of sepsis required 2 signs of a systemic inflammatory response and 1 sign of organ dysfunction in the context of suspected or confirmed infection. We determined time 0 using an automated algorithm that identified the first instance in a given encounter when a patient’s laboratory values and vital signs met these criteria instead of using a medical record review.</p> <a class="article-section-id-anchor" id="245536951"></a> <p class="para">To proxy for clinician suspicion of infection, time 0 was required to occur within 48 hours of an order for an antibiotic, antifungal, or clinical culture. A 48-hour window was chosen to capture situations in which morning laboratories showed a new abnormality, such as leukocytosis, that did not provoke a response until found to be persistent the following day. Two-day window periods have been used for similar purposes in other electronic measures for identifying episodes of sepsis, such as the adult sepsis event.<sup><a href="#ioi200008r23" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">23</a></sup><sup>,<a href="#ioi200008r24" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">24</a></sup></p> <a class="article-section-id-anchor" id="245536952"></a> <p class="para">To capture differences between hospitalized and ambulatory patients, hospital-onset sepsis was defined by occurrence of time 0 after patient arrival in an inpatient unit, and community-onset sepsis was defined by time 0 after arrival in the emergency department. If a patient showed signs of infection or instability in the emergency department but did not meet the criteria for sepsis until arriving in an inpatient unit, they were categorized as having hospital-onset sepsis.</p> <a class="article-section-id-anchor" id="245536953"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Variables </div> </div> <a class="article-section-id-anchor" id="245536954"></a> <p class="para">The primary outcome was in-hospital mortality, expressed as an absolute probability difference comparing those who did and did not receive SEP-1–adherent care. Negative values represent a mortality reduction (ie, increased likelihood of survival) associated with treatment.</p> <a class="article-section-id-anchor" id="245536955"></a> <p class="para">The secondary outcome was requirement of blood pressure support with a vasopressor medication in the 10 days after time 0, expressed as vasopressor days. Vasopressor days are a marker of organ dysfunction that may reflect improved physiological characteristics of sepsis in the absence of a mortality difference.<sup><a href="#ioi200008r25" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">25</a></sup> When counting vasopressor days, death was given equal weight to vasopressor administration; thus, patients who died within the 10-day window were counted as receiving vasopressor medication from time of death until the end of day 10. Individuals who died more than 10 days after sepsis onset were not assigned any additional vasopressor days. This method of accounting for deaths is typical when counting organ support–free days.<sup><a href="#ioi200008r25" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">25</a></sup><sup>,<a href="#ioi200008r26" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">26</a></sup> Vasopressor days were reported as an absolute difference in the number of vasopressor days, and this difference was used instead of vasopressor-free days<sup><a href="#ioi200008r26" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">26</a></sup> so that the direction of the association (plus or minus sign) matched the primary outcome (ie, lower mortality and fewer vasopressor days represented benefit from treatment). A 10-day window was chosen to limit bias from lack of follow-up after discharge. Because calendar dates were not available, vasopressor days were calculated in hours from the medication administration record.</p> <a class="article-section-id-anchor" id="245536956"></a> <p class="para">Treatments evaluated included the SEP-1 bundle and the 4 components required within 3 hours of time 0: (1) blood culture results, (2) broad-spectrum intravenous antibiotic treatment, (3) serum lactate level testing, and (4) intravenous fluid treatment if the blood pressure was low or if the lactate level was elevated. The SEP-1 bundle required those 4 components plus (5) follow-up serum lactate level testing and (6) initiation of vasopressor treatment, if indicated. Patients who received some but not all components of SEP-1 were counted as not having received SEP-1–adherent care per the CMS manual.<sup><a href="#ioi200008r27" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">27</a></sup> A seventh component of SEP-1—reassessment of tissue perfusion within 6 hours of time 0—was excluded from this evaluation because of inherent flexibility and lack of a relevant field in the electronic medical record.</p> <a class="article-section-id-anchor" id="245536957"></a> <p class="para">Covariates included year of admission, patient age, sex, baseline comorbidity, source of infection, immunosuppression, postoperative status, features of sepsis such as fever and shock, and the admitting hospital. Baseline comorbidity was represented by count of conditions present at admission from the Elixhauser Comorbidity Index.<sup><a href="#ioi200008r28" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">28</a></sup><sup>,<a href="#ioi200008r29" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">29</a></sup> Elixhauser comorbidities included HIV infection, congestive heart failure, and malignant tumor, among others. Source of infection was determined by <i>International Classification of Diseases</i> diagnosis codes for pneumonia, urinary tract infection, and skin and/or soft-tissue infection that were recorded as present at admission (<i>International Classification of Diseases, Ninth Revision</i> was used for the period before October 1, 2015. <i>International Statistical Classification of Diseases and Related Health Problems, Tenth Revision</i> was used for the period after October 1, 2015). Immunosuppression was determined by the receipt of chemotherapy, corticosteroids, or other immunosuppressive medication. The postoperative period included days 1 through 90 after a major diagnostic or therapeutic procedure, as defined by the Healthcare Cost and Utilization Project’s procedure classes.<sup><a href="#ioi200008r30" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">30</a></sup> Septic shock was defined by either hypotension after intravenous fluid treatment or a lactate level of at least 4 mmol/L (to convert plasma lactate level to mg/dL, divide by 0.111). New bacteremia was defined by positive blood culture results within 7 days of sepsis onset in the absence of a previous positive culture result (excluding possible skin contaminants).</p> <a class="article-section-id-anchor" id="245536958"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Statistical Analysis </div> </div> <a class="article-section-id-anchor" id="245536959"></a> <p class="para">Data analyses were performed from April through October 2019. Additional analyses were performed from December 2019 through January 2020. The mean association of treatment with outcomes among the participants was estimated by comparing outcomes between patients who did and did not receive SEP-1–adherent care. To address nonrandom treatment assignment, we used doubly robust models that incorporated propensity scores, Mahalanobis distance matching,<sup><a href="#ioi200008r31" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">31</a></sup> and regression adjustment.</p> <a class="article-section-id-anchor" id="245536960"></a> <p class="para">Propensity scores were estimated by multivariate probit regression with treatment as the dependent variable. Numerous clinical variables were factored into the propensity model in addition to the covariates described above, including whether the patient was admitted from home, the specialty of the admitting service, presence of each Elixhauser comorbidity, laboratory values, vital signs, and whether samples from other body sites were obtained for culture.</p> <a class="article-section-id-anchor" id="245536961"></a> <p class="para">Treated and untreated patients were matched based on Mahalanobis distance between numerical propensity scores and select covariates (<i>kmatch</i> Stata [StataCorp LLC]). Patients who could not be paired within the bandwidth of the matching function (typically because of very high or very low probability of receiving treatment) were excluded.<sup><a href="#ioi200008r32" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">32</a></sup> Pairs were assigned weights based on closeness of the match that were then used to rebalance the treated and untreated participants within each cohort on observable characteristics.<sup><a href="#ioi200008r33" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">33</a></sup> Covariate distributions within rebalanced samples were evaluated by comparing standardized differences of the means.<sup><a href="#ioi200008r34" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">34</a></sup><sup>-<a href="#ioi200008r34" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">36</a></sup> Presence of hypotension or shock was included in the matching function for all treatments except serum lactate level testing because serum lactate levels can be used to define shock in the context of a normal blood pressure.</p> <a class="article-section-id-anchor" id="245536962"></a> <p class="para">The associations of SEP-1 and its components with outcomes in the rebalanced samples were estimated by regression adjustment including the propensity score as a covariate (<i>teffects ra</i> in Stata). The 95% CIs for outcomes were bootstrapped. Analyses were performed using Stata/IC, version 14.1. Statistical significance was 2-sided and set at <i>P</i> < .05.</p> <a class="article-section-id-anchor" id="245536963"></a> <p class="para">On the basis of a predicted ratio of 2:1 between cases of SEP-1 nonadherence and cases of adherence, we estimated that an overall sample size of 6000 patients would provide more than 80% power to detect an absolute decrease in mortality of 3% (the difference between 20% and 17%, equivalent to a relative decrease of 15%). Sensitivity analyses included cohorts who were 65 years or older, pneumonia or no pneumonia, immunosuppression or no immunosuppression, bacteremia after sepsis onset or no bacteremia after sepsis onset, fever or no fever, septic shock or no septic shock, malignant tumor or no malignant tumor, and admission source from home or other than from home.</p> <a class="article-section-id-anchor" id="245536964"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Results </div> </div> <a class="article-section-id-anchor" id="245536965"></a> <p class="para">Among the 6404 sepsis-related encounters in patients meeting the inclusion and exclusion criteria, inpatient mortality was 19.0% (1216 deaths). In the total sample, the mean (SD) age was 64.0 (18.2) years, 3535 (55.2%) were men, and 2436 (38.0%) met the criteria for septic shock. Patients presenting to the emergency department spent a median of 7.0 hours there (interquartile range, 4.9-12.6 hours); 1928 patients (30.1%) received SEP-1–adherent care, and 1856 patients (29.0%) received vasopressor medication within 10 days of sepsis onset. The mean (SD) number of vasopressor days was 2.0 (3.2) days.</p> <a class="article-section-id-anchor" id="245536966"></a> <p class="para">A total of 2296 patients (35.9%) first met the clinical criteria for sepsis while admitted to an inpatient unit (hospital-onset sepsis). Patients with hospital-onset and those with community-onset sepsis (n = 4108) had similar rates of cultures positive for vancomycin-resistant enterococci (hospital-onset sepsis: 2.6%; community-onset sepsis: 1.9%) and for multidrug-resistant gram-negative bacteria (hospital-onset sepsis: 4.9%; community-onset sepsis: 4.6%), but cultures positive for methicillin-resistant <i>Staphylococcus aureus</i> were more common among patients with community-onset sepsis (11.7% vs 8.3%; <i>P</i> < .001). In-hospital mortality was 20.3% among patients with hospital-onset sepsis and 18.3% among patients with community-onset sepsis. Mean (SD) vasopressor days were 2.4 (3.3) days among patients with hospital-onset sepsis and 2.0 (3.2) days among patients with community-onset sepsis.</p> <a class="article-section-id-anchor" id="245536967"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Cohort With Community-Onset Sepsis </div> </div> <a class="article-section-id-anchor" id="245536968"></a> <p class="para">A total of 1654 patients (39.9%) with sepsis on arrival in the emergency department received SEP-1–adherent care. Within 3 hours of time zero, 3702 patients (90.1%) in this cohort had samples obtained for blood culture before receiving broad-spectrum intravenous antibiotic treatment, 3516 (85.6%) had measurement of serum lactate level, and 3210 (78.1%) had initiated broad-spectrum intravenous antibiotic treatment. Intravenous fluid treatment was administered to 807 of 1173 eligible patients (40.8%). Among patients for whom care was considered to be SEP-1 nonadherent, 1609 (65.4%) received 5 of the 6 evaluated SEP-1 components (eTable 1 in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI200008-1">Supplement</a> gives pairwise correlations between SEP-1 components).</p> <a class="article-section-id-anchor" id="245536969"></a> <p class="para">Patients with community-onset sepsis who received SEP-1–adherent care differed significantly on patient-level clinical variables (age, hours from arrival to time 0, number of Elixhauser comorbidities, proportion of patients who were postoperative status, and proportion of patients who had fever, septic shock, and pneumonia present on admission) from patients with community-onset sepsis who did not receive SEP-1–adherent care (<a href="#ioi200008t1" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 1</a>). After being rebalanced, recipients and nonrecipients of SEP-1–adherent care from the cohort with community-onset sepsis had similar observable characteristics except that recipients were less likely to have an elevated serum lactate level (466 of 1524 [30.6%] untreated vs 701 of 2051 [34.2%] treated).</p> <a class="article-section-id-anchor" id="245536971"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Cohort With Hospital-Onset Sepsis </div> </div> <a class="article-section-id-anchor" id="245536972"></a> <p class="para">Overall SEP-1–adherent care among 2296 patients with time 0 of sepsis in an inpatient unit was administered to 281 patients (12.2%). With regard to individual SEP-1 components, 1405 patients (61.2%) in the cohort with hospital-onset sepsis had blood cultures performed, 897 (39.1%) had serum lactate levels measured, and 993 (43.3%) received broad-spectrum intravenous antibiotic treatment. Intravenous fluid treatment was administered to only 162 of 918 eligible patients (17.7%). Among 2015 patients for whom care was considered to be nonadherent, 610 (30.3%) received 5 of 6 SEP-1 components.</p> <a class="article-section-id-anchor" id="245536973"></a> <p class="para">Completion of SEP-1 in the cohort with hospital-onset sepsis was associated with patient factors (<a href="#ioi200008t2" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 2</a>). After being rebalanced, recipients and nonrecipients of SEP-1–adherent care who had hospital-onset sepsis had similar observable characteristics except recipients were more likely to have an elevated serum lactate level (63 [23.0%] treated vs 167 [9.32%] untreated).</p> <a class="article-section-id-anchor" id="245536975"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Complete SEP-1 </div> </div> <a class="article-section-id-anchor" id="245536976"></a> <p class="para">Receipt of the SEP-1 was not associated with reduced mortality or decreased vasopressor days in the cohort with community-onset sepsis (absolute mortality difference, –0.07%; 95% CI, –3.02% to 2.88%; absolute difference of 0.31 vasopressor days; 95% CI, 0.11 to 0.51 vasopressor days), the cohort with hospital-onset sepsis (absolute mortality difference, –0.42%; 95% CI, –6.77% to 5.93%; absolute difference of 0.40 vasopressor days; 95% CI, –0.04 to 0.85 vasopressor days), or the total overall sample (absolute mortality difference, 0.10%; 95% CI, –2.41% to 2.61%; absolute difference of 0.26 vasopressor days; 95% CI, 0.09 to 0.43 vasopressor days) (<a href="#ioi200008t3" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 3</a> and <a href="#ioi200008t4" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 4</a>).</p> <a class="article-section-id-anchor" id="245536979"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> SEP-1 Components and Community-Onset Sepsis </div> </div> <a class="article-section-id-anchor" id="245536980"></a> <p class="para">In the rebalanced cohort with community-onset sepsis, multiple SEP-1 components were associated with improved outcomes (<a href="#ioi200008t3" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 3</a> and <a href="#ioi200008f1" class="figure-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Figure</a>). Measurement of serum lactate level was associated with a reduction in risk of mortality (absolute difference, –7.61%; 95% CI, –14.70% to –0.54%). Blood cultures and broad-spectrum intravenous antibiotic treatment were associated with fewer vasopressor days.</p> <a class="article-section-id-anchor" id="245536982"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> SEP-1 Components and Hospital-Onset Sepsis </div> </div> <a class="article-section-id-anchor" id="245536983"></a> <p class="para">In the rebalanced cohort with hospital-onset sepsis, use of broad-spectrum intravenous antibiotic treatment was associated with a reduction in risk of mortality (absolute difference, –5.20%; 95% CI, –9.84% to –0.56%) (<a href="#ioi200008f1" class="figure-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Figure</a>). No other SEP-1 component showed an association with outcomes.</p> <a class="article-section-id-anchor" id="245536984"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> SEP-1 Components Overall </div> </div> <a class="article-section-id-anchor" id="245536985"></a> <p class="para">In the rebalanced total sample, broad-spectrum intravenous antibiotic treatment was associated with a reduction in risk of mortality (absolute difference, –3.83%; 95% CI, –7.62% to –0.04%) and fewer vasopressor days (<a href="#ioi200008t4" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 4</a>). Collection of blood cultures was also associated with decreased vasopressor days (absolute difference, –0.44; 95% CI, –0.65 to –0.02). Serum lactate level testing and intravenous fluid treatment were not associated with either outcome.</p> <a class="article-section-id-anchor" id="245536986"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Sensitivity Analyses </div> </div> <a class="article-section-id-anchor" id="245536987"></a> <p class="para">Multiple sensitivity analyses were performed, including evaluations of the association of SEP-1 and components with hospital length of stay, death or discharge to hospice, and 30-day in-hospital mortality, as well as analyses stratified by other risk factors (eTables 2-13 in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI200008-1">Supplement</a>).</p> <a class="article-section-id-anchor" id="245536988"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Discussion </div> </div> <a class="article-section-id-anchor" id="245536989"></a> <p class="para">In this retrospective propensity score–matched cohort study, the CMS core quality measure (SEP-1) for early sepsis care was not associated with a reduction in mortality or a decreased requirement for vasopressor treatment among eligible patients. This work is in line with other studies<sup><a href="#ioi200008r37" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">37</a></sup><sup>,<a href="#ioi200008r38" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">38</a></sup> which have suggested that SEP-1–adherent care may not be associated with improved outcomes, although we observed associations between multiple individual components of SEP-1 and reduced mortality or decreased need for organ support among patients with community-onset sepsis. These findings suggest a path forward in which SEP-1 could be reconstructed to reflect quality more accurately in early sepsis care.</p> <a class="article-section-id-anchor" id="245536990"></a> <p class="para">To our knowledge, this is the first study to estimate the association of SEP-1–adherent care with outcomes in a large cohort with hospital-onset sepsis. Previous studies,<sup><a href="#ioi200008r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">10</a></sup><sup>-<a href="#ioi200008r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">12</a>,<a href="#ioi200008r39" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">39</a></sup> including the landmark observational study of the New York state sepsis mandate<sup><a href="#ioi200008r39" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">39</a></sup> and randomized clinical trials of early, goal-directed therapy,<sup><a href="#ioi200008r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">10</a></sup><sup>-<a href="#ioi200008r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">12</a></sup> involved only the emergency department. Of note, in this study, hospital-onset was defined based on whether time 0 occurred after admission to an inpatient unit instead of at a time cutoff (ie, 48 hours after arrival) or by a diagnosis code indicating presence at admission. We chose this definition to isolate differences in systems and processes of care for ambulatory and hospitalized patients. For instance, serum lactate level measurement has prognostic value that may guide admission to the intensive care unit from the emergency department.<sup><a href="#ioi200008r40" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">40</a></sup><sup>-<a href="#ioi200008r40" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">42</a></sup> Observational data suggest that delayed transfer to the intensive care unit may be associated with increased sepsis-related mortality.<sup><a href="#ioi200008r43" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">43</a></sup><sup>,<a href="#ioi200008r44" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">44</a></sup> Among patients who have already been triaged to an inpatient unit (either the general ward or the intensive care unit), serum lactate level may have prognostic value, but it can no longer serve the same function in early triage.</p> <a class="article-section-id-anchor" id="245536991"></a> <p class="para">Among patients meeting our definition for hospital-onset sepsis, completion of the SEP-1 protocol was not associated with improved outcomes compared with routine care. The 2 potential reasons for this finding are that SEP-1 is a poor metric for use with hospital-onset sepsis or that routine care is adequate. In the present sample, only 43.3% of patients with hospital-onset sepsis received early broad-spectrum intravenous antibiotic treatment, suggesting the presence of a quality gap. However, SEP-1 may not be the best metric to represent that gap.</p> <a class="article-section-id-anchor" id="245536992"></a> <p class="para">We suspect that SEP-1–adherent care is less valid and less effective in hospital-onset sepsis because of discrepancies related to the ascertainment of time 0, which has not been validated in this population, and because context is not considered in the protocol. For ambulatory patients, SEP-1 may alter the subsequent hospital course by guiding the initial workup. For instance, for an undifferentiated patient, emergency and outpatient clinicians may not otherwise routinely order blood cultures or commit to broad-spectrum intravenous antibiotic treatment. However, among hospital inpatients, sepsis management should consider context. At time 0, results from an admission workup may already be available and intravenous treatments may have already started. Measuring a lactate level is still important, but it may be less important than responding to other problems that have arisen since the patient arrived in the unit.</p> <a class="article-section-id-anchor" id="245536993"></a> <p class="para">SEP-1 may also be less beneficial for patients with hospital-onset sepsis because of the characteristics of that patient population. A large proportion of sepsis-related mortality may not be preventable,<sup><a href="#ioi200008r38" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">38</a></sup><sup>,<a href="#ioi200008r45" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">45</a></sup> and more patients with hospital-onset sepsis may have underlying terminal illness. In those cases, care bundles may not be expected to provide benefit and may encourage inappropriate care.</p> <a class="article-section-id-anchor" id="245536994"></a> <p class="para">In our analysis, multiple components of SEP-1 were associated with improved outcomes in patients with community-onset sepsis. Although these findings suggest that SEP-1–adherent care is associated with improved outcomes in patients with community-onset sepsis, it is also possible that SEP-1–adherent care among ambulatory patients may be associated with earlier recognition of sepsis. Among patients with septic shock, infectious symptoms at the time of presentation have been associated with lower mortality.<sup><a href="#ioi200008r46" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">46</a></sup> We attempted to control for localizing infectious symptoms by including site-specific cultures in our propensity model (ie, cerebrospinal fluid cultures, synovial fluid cultures), but symptoms were otherwise unobservable in the data. Regardless, the association between better outcomes and adherence to components of SEP-1 appears to support the use of these components in a measure of quality for treatment of community-onset sepsis.</p> <a class="article-section-id-anchor" id="245536995"></a> <p class="para">At present, SEP-1 is an “all-or-nothing” measure in which each component is given equal weight. Our analysis suggests that this approach may be misguided. In the total sample, the cohort with community-onset sepsis and the cohort with hospital-onset sepsis, early administration of broad-spectrum intravenous antibiotic treatment was associated with improved outcomes. Thus, if SEP-1 is to be reconstructed to reflect quality more accurately, consideration should be given to prioritizing antibiotics. The other components of SEP-1 (serum lactate level testing, blood culture, intravenous fluid treatment, and vasopressor medication) are important in the management of early sepsis; however, we believe that a case in which broad-spectrum intravenous antibiotic treatment is delayed or not administered should not be considered the same as a case in which a second serum lactate level measurement is not taken.</p> <a class="article-section-id-anchor" id="245536996"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Limitations </div> </div> <a class="article-section-id-anchor" id="245536997"></a> <p class="para">This study has limitations. Historically, observational studies using propensity scores to balance routinely collected data may estimate the association of treatment with outcomes inaccurately.<sup><a href="#ioi200008r47" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">47</a></sup> Although we collected substantial amounts of clinical data, we were nonetheless unable to control completely for confounding from unobservable variables related to severity of illness, likelihood of treatment, and mortality. Prospective studies are needed to assess the association between SEP-1 and outcomes.</p> <a class="article-section-id-anchor" id="245536998"></a> <p class="para">This study was also limited by the relative insensitivity of mortality as an outcome. As a secondary outcome, we used days of vasopressor treatment, which have been proposed as an alternative to mortality when studying septic shock.<sup><a href="#ioi200008r25" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">25</a></sup><sup>,<a href="#ioi200008r26" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">26</a></sup> Because initiation of vasopressor treatment for persistent hypotension is a component of SEP-1, increased vasopressor days among SEP-1 recipients may reflect adherent care rather than increased organ dysfunction. Other outcomes related to organ support, such as days requiring mechanical ventilation or renal replacement therapy, would likely have been preferable for the evaluation of SEP-1 but were not available.</p> <a class="article-section-id-anchor" id="245536999"></a> <p class="para">We were unable to obtain postdischarge follow-up data. To account for this, we shortened the period in which we evaluated patients for vasopressor treatment from 4 weeks, which is commonly used, to 10 days.<sup><a href="#ioi200008r26" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">26</a></sup> Nonetheless, our estimates of vasopressor days may be biased by patients who were discharged from the hospital and died within 10 days of time 0.</p> <a class="article-section-id-anchor" id="245537000"></a> <p class="para">We did not perform a medical record review. Administration of SEP-1 components was determined using structured data from the electronic medical record. Thus, we were unable to account for cases with an administrative contraindication to treatment, such as patient refusal. However, this limitation should not interfere with interpretation of our results because we explicitly planned to estimate the association between treatment and outcomes rather than the intention to treat.</p> <a class="article-section-id-anchor" id="245537001"></a> <p class="para">Our results may not be generalizable. Our sample was identified using diagnosis codes and therefore did not capture individuals in whom sepsis was missed or whose diagnosis was never coded. Because we identified patients in this manner, our results may be sensitive to specific coding practices at the participating hospitals and may be susceptible to bias from changes in coding practices over time.<sup><a href="#ioi200008r2" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">2</a></sup><sup>,<a href="#ioi200008r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup></p> <a class="article-section-id-anchor" id="245537002"></a> <p class="para">Furthermore, we compared associations between treatment and outcomes in different cohorts qualitatively instead of using interaction terms, and we performed multiple comparisons without statistical correction. The relatively small counts of patients in the cohort with hospital-onset sepsis who received the complete SEP-1 (n = 281) or intravenous fluid treatment when indicated (n = 162) likely decreased the power of this study to detect an association between those interventions and outcomes. However, the point estimate for the association of SEP-1 with mortality in cases of hospital-onset sepsis did not suggest a benefit of treatment. The results from sensitivity analyses were exploratory.</p> <a class="article-section-id-anchor" id="245537003"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Conclusions </div> </div> <a class="article-section-id-anchor" id="245537004"></a> <p class="para">The use of SEP-1–adherent care was not associated with improved outcomes of sepsis in patients with hospital-onset or community-onset sepsis. Although multiple components of SEP-1 were associated with reduced mortality or decreased vasopressor days for patients who presented with sepsis in the emergency department, only broad-spectrum intravenous antibiotic treatment was associated with reduced mortality when time 0 occurred in an inpatient unit. Current sepsis quality metrics may need refinement.</p> <a class="article-section-id-anchor" id="245537005"></a> <div class="h3 cb section-type-acknowledgements has-back-to-top"> <a href="#top" class="section-jump-link back-to-top" data-tab-toggle=".tab-nav-full-text">Back to top</a> <div class="heading-text thm-col sb-sc"> Article Information </div> </div> <p class="para"><strong>Accepted for Publication:</strong> January 19, 2020.</p><p class="authorInfoSection"><strong>Corresponding Author:</strong> Jonathan D. Baghdadi, MD, PhD, Genomic Epidemiology and Clinical Outcomes, University of Maryland School of Medicine, 10 S Pine St, Medical Student Teaching Facility, Ste 334, Baltimore, MD 21201 (<a href="mailto:jbaghdadi@som.umaryland.edu" target="_blank">jbaghdadi@som.umaryland.edu</a>).</p><p class="parapublished-online"><strong>Published Online:</strong> April 6, 2020. doi:10.1001/jamainternmed.2020.0183</p><p class="paraauthor-contributions"><strong>Author Contributions:</strong> Drs Baghdadi and Wong had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.</p><p class="para"><i>Concept and design:</i> Baghdadi, Brook, Uslan, Needleman, Wong.</p><p class="para"><i>Acquisition, analysis, or interpretation of data:</i> Baghdadi, Uslan, Needleman, Bell, Cunningham, Wong.</p><p class="para"><i>Drafting of the manuscript:</i> Baghdadi.</p><p class="para"><i>Critical revision of the manuscript for important intellectual content:</i> Baghdadi, Brook, Uslan, Needleman, Bell, Cunningham, Wong.</p><p class="para"><i>Statistical analysis:</i> Baghdadi.</p><p class="para"><i>Supervision:</i> Brook, Uslan, Needleman, Bell, Cunningham, Wong.</p><p class="parafinancial-disclosure"><strong>Conflict of Interest Disclosures:</strong> None reported.</p><p class="parafunding-statement"><strong>Funding/Support:</strong> This study was supported by Ruth L. Kirschstein Institutional National Research Service Award T32HP19001 (Dr Baghdadi) from the Health Resources and Services Administration, the Veterans Administration Quality Scholars program, the University of California, Los Angeles (UCLA) Specialty Training and Advanced Research Program, and UCLA Clinical and Translational Science Institute grant UL1TR001881 from the National Center for Advancing Translational Science at the National Institutes of Health.</p><p class="para"><strong>Role of the Funder/Sponsor:</strong> The funding organizations had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.</p><p class="para"><strong>Additional Contributions:</strong> William E Cunningham, MD, MPH, died January 3, 2020. 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