NIS Related Reports

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html lang="en"> <head><script type="text/javascript" src="/_static/js/bundle-playback.js?v=HxkREWBo" charset="utf-8"></script> <script type="text/javascript" src="/_static/js/wombat.js?v=txqj7nKC" charset="utf-8"></script> <script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script> <script type="text/javascript" src="/_static/js/ruffle/ruffle.js"></script> <script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("http://www.hcup-us.ahrq.gov/db/nation/nis/nisrelatedreports.jsp","20140717093744","https://web.archive.org/","web","/_static/", "1405589864"); </script> <link rel="stylesheet" type="text/css" href="/_static/css/banner-styles.css?v=S1zqJCYt" /> <link rel="stylesheet" type="text/css" href="/_static/css/iconochive.css?v=3PDvdIFv" />  <title>NIS Related Reports</title> <link rel="stylesheet" href="/web/20140717093744cs_/http://www.hcup-us.ahrq.gov/HCUP_US.css"> <meta name="keywords" content="hcup, healthcare cost and utilization project, health, healthcare, health statistics, data analysis, analysis, data collection, data processing, databases, research">  <script type="text/javascript"> var steering = false; var team = false; var partner = false; var nhqrdr = false; </script> <script type="text/javascript" src="/web/20140717093744js_/http://www.hcup-us.ahrq.gov/menu/c_config.js"></script> <script type="text/javascript" src="/web/20140717093744js_/http://www.hcup-us.ahrq.gov/menu/c_smartmenus.js"></script>  </head> <body> <div id="skipmenu"> <a href="#skip" class="skippy">Skip Navigation</a> <a name="top"></a> </div> <div id="hideShow"> <table summary="layout" width="100%" cellspacing="2" cellpadding="0" border="0"> <tr> <td align="center" class="logoPanel" bgcolor="#006699"> <div id="logo"> <a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/"><img src="/web/20140717093744im_/http://www.hcup-us.ahrq.gov/images/HCUP_logo/hcuplogo_smaller_final.jpg" alt="Healthcare Cost and Utilization Project logo"></a> </div> </td> <td bgcolor="#66cccc" class="bannerPanel"><br> <div class="bannertitleinteriorpgs">NIS Related Reports</div> <div class="bannertext">The National (Nationwide) Inpatient Sample (NIS) is the largest publically available all-payer inpatient care database in the United States, containing data on more than seven million hospital stays each year.</div> </td> <td bgcolor="#66cccc" valign="middle" class="searchPanel"> <form method="get" action="/web/20140717093744/http://www.hcup-us.ahrq.gov/search/Search.action"> <table cellpadding="0px" cellspacing="0px"> <tr> <td class="searchBox"> <input type="text" name="query"> </td> <td valign="middle" class="searchIcon"> <input type="image" src="/web/20140717093744im_/http://www.hcup-us.ahrq.gov/images/search-icon2.png" placeholder="Search" alt="search" class="search-icon" title="Search" width="10" height="11"> </td> </tr> </table> </form> </td> </tr> <tr> <td width="122" bgcolor="#66cccc"> </td> <td width="100%" colspan="2"><ul id="Menu1" class="MM"> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/"><br/>Home</a> <ul> <li><a class="NOLINK">What is HCUP?</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/overview.jsp">Overview of HCUP</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/overviewcourse.jsp">On-line HCUP Overview Course</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/faq.jsp">Frequently Asked Questions</a></li> </ul> </li> <li><a class="NOLINK">HCUP Products</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/databases.jsp">HCUP Databases</a></li> <li><a href="https://web.archive.org/web/20140717093744/http://hcupnet.ahrq.gov/" target="_blank">HCUPnet</a></li> <li><a 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href="/web/20140717093744/http://www.hcup-us.ahrq.gov/databases.jsp">National (Nationwide) Inpatient Sample (NIS)</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/nisoverview.jsp">Overview of the NIS</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/partners.jsp?NIS">HCUP Partners in the NIS</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp">Obtaining the NIS</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/dua.jsp">HCUP Data Use Agreement Training</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/team/NationwideDUA.jsp">Nationwide Data Use Agreement</a></li> </ul> </li> <li><a class="NOLINK">Using the NIS</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/nis/nisdbdocumentation.jsp">NIS Database Documentation </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/nis/nisrelatedreports.jsp">NIS Related Reports</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/publishing.jsp">Publishing with HCUP Data</a></li> </ul> </li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/databases.jsp">Kids' Inpatient Database (KID)</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/kidoverview.jsp">Overview of the KID</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/partners.jsp?KID">HCUP Partners in the KID</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp">Obtaining the KID</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/dua.jsp">HCUP Data Use Agreement Training</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/team/NationwideDUA.jsp">Nationwide Data Use Agreement</a></li> </ul> </li> <li><a class="NOLINK">Using the KID</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/kid/kiddbdocumentation.jsp">KID Database Documentation</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/kid/kidrelatedreports.jsp">KID Related Reports</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/publishing.jsp">Publishing with HCUP Data</a></li> </ul> </li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/databases.jsp">Nationwide Emergency Department Sample (NEDS)</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/nedsoverview.jsp">Overview of the NEDS</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/partners.jsp?NEDS">HCUP Partners in the NEDS</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp">Obtaining the NEDS</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/dua.jsp">HCUP Data Use Agreement Training</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/team/NationwideDUA.jsp">Nationwide Data Use Agreement</a></li> </ul> </li> <li><a class="NOLINK">Using the NEDS</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/neds/nedsdbdocumentation.jsp">NEDS Database Documentation </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/neds/nedsrelatedreports.jsp">NEDS Related Reports</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/publishing.jsp">Publishing with HCUP Data</a></li> </ul> </li> </ul> </li> <li><a class="NOLINK"><strong>State-Specific HCUP Databases</strong></a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/databases.jsp">State Inpatient Databases (SID)</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/sidoverview.jsp">Overview of the SID</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/partners.jsp?SID">HCUP Partners in the SID</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp">Obtaining the SID</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/dua.jsp">HCUP Data Use Agreement Training</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/team/StateDUA.jsp">State Database Data Use Agreement</a></li> </ul> </li> <li><a class="NOLINK">Using the SID</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/siddbdocumentation.jsp">SID Database Documentation</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/sidrelatedreports.jsp">SID Related Reports</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/publishing.jsp">Publishing with HCUP Data</a></li> </ul> </li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/databases.jsp">State Ambulatory Surgery and Services Databases (SASD)</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/sasdoverview.jsp">Overview of the SASD</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/partners.jsp?SASD">HCUP Partners in the SASD</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp">Obtaining the SASD</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/dua.jsp">HCUP Data Use Agreement Training</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/team/StateDUA.jsp">State Database Data Use Agreement</a></li> </ul> </li> <li><a class="NOLINK">Using the SASD</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/sasddbdocumentation.jsp">SASD Database Documentation</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/sasdrelatedreports.jsp">SASD Related Reports</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/publishing.jsp">Publishing with HCUP Data</a></li> </ul> </li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/databases.jsp">State Emergency Department Databases (SEDD)</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/seddoverview.jsp">Overview of the SEDD</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/partners.jsp?SEDD">HCUP Partners in the SEDD</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/centdist.jsp">Obtaining the SEDD</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tech_assist/dua.jsp">HCUP Data Use Agreement Training</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/team/StateDUA.jsp">SEDD Data Use Agreement</a></li> </ul> </li> <li><a class="NOLINK">Using the SEDD</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/sedddbdocumentation.jsp">SEDD Database Documentation</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/seddrelatedreports.jsp">SEDD Related Reports</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/publishing.jsp">Publishing with HCUP Data</a></li> </ul> </li> </ul> </li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/tools_software.jsp">Tools &<br/>Software</a> <ul> <li><a class="NOLINK">Favorites</a> <ul> <li><a href="https://web.archive.org/web/20140717093744/http://hcupnet.ahrq.gov/" target="_blank">HCUPNet</a></li> <li><a href="https://web.archive.org/web/20140717093744/http://qualityindicators.ahrq.gov/" target="_blank">AHRQ Quality Indicators (QIs)</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/monahrq/monahrq.jsp">MONAHRQ</a></li> </ul> </li> <li><a class="NOLINK">HCUP Tools & Software</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/beta/icd_10_beta.jsp">ICD-10-CM/PCS Beta</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/ccs/ccs.jsp">Clinical Classifications Software (CCS) for ICD-9-CM</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/ccs_svcsproc/ccssvcproc.jsp">Clinical Classifications Software (CCS) for Services and Procedures</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/icd_10/ccs_icd_10.jsp">Clinical Classifications Software (CCS) for ICD-10</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/mhsa/mhsa.jsp">Clinical Classifications Software for Mental Health and Substance Abuse (CCS-MHSA)</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/chronic/chronic.jsp">Chronic Condition Indicator</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/comorbidity/comorbidity.jsp">Comorbidity Software</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/procedure/procedure.jsp">Procedure Classes</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/util_flags/utilflag.jsp">Utilization Flags</a></li> </ul> </li> <li><a class="NOLINK">HCUP Supplemental Files</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/costtocharge.jsp">Cost-to-Charge Ratio (CCR) Files</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/hms/hms.jsp">Hospital Market Structure (HMS) Files</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/toolssoftware/revisit/revisit.jsp">HCUP Supplemental Variables for Revisit Analyses</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/ahalinkage/aha_linkage.jsp">American Hospital Association (AHA) Linkage Files</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/nis/nisownership.jsp">NIS Hospital Ownership Files</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/nis/nistrends.jsp">Nationwide Inpatient Sample Trends (NIS-Trends) Files</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/kid/kidtrends.jsp">Kid’s Inpatient Database Trends (KID-Trends) File</a></li> </ul> </li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports.jsp"><br/>Reports</a> <ul> <li><a class="NOLINK"><strong>Favorites</strong></a></li> <li><a class="NOLINK">HCUP Statistical Briefs</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/statbriefs/sbtopic.jsp">Topical list</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/statbriefs/statbriefs.jsp">Chronological list </a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/infographics.jsp">HCUP Infographics</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/projections/projections_rpts.jsp">HCUP Projections</a></li> <li><a class="NOLINK"><strong>Information About Using HCUP Data</strong></a></li> <li><a class="NOLINK">HCUP Methods Series</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/methods_topic.jsp">Topical list</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/methods.jsp">Chronological list </a></li> </ul> </li> <li><a class="NOLINK">HCUP Nationwide Database Reports</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/nis/nisrelatedreports.jsp">NIS </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/kid/kidrelatedreports.jsp">KID </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/neds/nedsrelatedreports.jsp">NEDS</a></li> </ul> </li> <li><a class="NOLINK">HCUP State Database Reports</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/sidrelatedreports.jsp">SID</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/sasdrelatedreports.jsp">SASD</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/db/state/seddrelatedreports.jsp">SEDD</a></li> </ul> </li> <li><a class="NOLINK"><strong>Additional Topics</strong></a></li> <li><a class="NOLINK">Topical Reports</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/r_e_disparities.jsp">Race/Ethnicity </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/mhsa.jsp">Mental and Substance Use Disorders </a></li> </ul> </li> <li><a class="NOLINK">HCUP Publications</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/pubsearch/pubsearch.jsp">Publication search </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/spotlights.jsp">Research Spotlights </a></li> <li><a href="https://web.archive.org/web/20140717093744/http://www.ahrq.gov/research/publications/">AHRQ Publications</a></li> </ul> </li> <li><a class="NOLINK">HCUP Archive</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports.jsp">Hospital Discharge Data report</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/highlights.jsp">HCUP Highlights </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/factbooks.jsp">HCUP Fact Books </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/natstats.jsp">HCUP National Statistics Archive </a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/factsandfigures.jsp">HCUP Facts and Figures</a></li> 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href="/web/20140717093744/http://www.hcup-us.ahrq.gov/datainnovations/clinicaldata/piprog.jsp">Projects in Progress</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/datainnovations/clinicaldata/poatoolkit.jsp">Present on Admission Toolkit</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/datainnovations/clinicaldata/poaback.jsp">Background</a></li> <li><a class="NOLINK">Tools</a> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/datainnovations/clinicaldata/tktt.jsp">Training Tools</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/datainnovations/clinicaldata/tkds.jsp">Data Standards and Transmission Tools</a></li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/datainnovations/clinicaldata/tkfeedback.jsp">Feedback and Reporting Tools</a></li> </ul> </li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/datainnovations/clinicaldata/pilot.jsp">Pilot and Planning Projects</a></li> </ul> </li> </ul> </li> </ul> </td> </tr> <tr><td colspan="3"><a name="skip"></a></td></tr> </table> </div> <br> <table align="center" width="65%" class="pagetext" style="border: 2px solid #66cccc;" bordercolor="#000000"> <tr> <td rowspan="4" align="center"><img src="/web/20140717093744im_/http://www.hcup-us.ahrq.gov/images/Picture3.png" width="63" height="63" alt="yellow star" style=" vertical-align:middle;"><strong>New! 2012 NIS Redesign. For more details, refer to the <a href="https://web.archive.org/web/20140717093744/http://www.hcup-us.ahrq.gov/db/nation/nis/reports/NISRedesignFinalReport040914.pdf" target="_blank">NIS Redesign Report.</a></strong></td> </tr> </table> <table width="100%" border="0" cellspacing="2" cellpadding="4"> <tr><td> </td></tr> <tr> <td width="100%" align="left" valign="top"><div class="texttitle">Natinal (Nationwide) Inpatient Sample (NIS)</div><br><div class="pagetext">The Nationwide Inpatient Sample is the largest all-payer inpatient care database in the United States, containing data on more than seven million hospital stays. Its large sample size is ideal for developing national and regional estimates and enables analyses of rare conditions, uncommon treatments, and special populations. The following reports describe the design of the NIS, how the NIS compares to similar databases, and other information on how to use the NIS. </div> </td> </tr> </table> <table width="100%" border="0" cellspacing="2" cellpadding="4"> <tr><td> </td></tr> <tr> <td width="50%" align="left" valign="top" class="pagetext"> <ul> <li>Design of the NIS:</li> <ul> <li>2012 NIS Redesign Report (<a href="reports/NISRedesignFinalReport040914.pdf" target="_blank">PDF</a> file, 1.4 MB)</li> <li>Beginning in 2006, information on the NIS design is included in the <a href="nisdbdocumentation.jsp">Introduction to the NIS</a> </li> <li>2005 (<a href="reports/NIS_2005_Design_Report.pdf" target="_blank">PDF</a> file, 256 KB; <a href="reports/NIS_2005_Design_Report.jsp">HTML</a>)</li> <li>2004 (<a href="reports/NIS_2004_Design_Report.pdf" target="_blank">PDF</a> file, 273 KB; <a href="reports/NIS_2004_Design_Report.jsp">HTML</a>)</li> <li>2003 (<a href="reports/NIS_2003_Design_Report_Edited_012506.pdf" target="_blank">PDF</a> file, 273 KB; <a href="reports/NIS_2003_Design_Report.jsp">HTML</a>)</li> <li>2002 (<a href="reports/NIS_2002_Design_Report.pdf" target="_blank">PDF</a> file, 313 KB; <a href="reports/NIS_2002_Design_Report.jsp">HTML</a>)</li> <li>2001 (<a href="reports/NIS_2001_Design_Report.pdf" target="_blank">PDF</a> file, 473 KB; <a href="reports/NIS_2001_Design_Report.jsp">HTML</a>)</li> <li>2000 (<a href="reports/NIS_2000_Design_Report.pdf" target="_blank">PDF</a> file, 712 KB; <a href="reports/NIS_2000_Design_Report.jsp">HTML</a>)</li> <li>1999 (<a href="reports/NIS_1999_Design_Report.pdf" target="_blank">PDF</a> file, 233 KB; <a href="reports/NIS_1999_Design_Report.jsp">HTML</a>)</li> <li>1998 (<a href="reports/NIS_1998_Design_Report.pdf" target="_blank">PDF</a> file, 670 KB; <a href="reports/NIS_1998_Design_Report.jsp">HTML</a>)</li> <li>1997 (<a href="reports/NIS_1997_Design_Report.pdf" target="_blank">PDF</a> file, 65 KB; <a href="reports/NIS_1997_Design_Report.jsp">HTML</a>)</li> <li>1996 (<a href="reports/TS_9.pdf" target="_blank">PDF</a> file, 1,024 KB; <a href="reports/NIS_1996_Design_Report.jsp">HTML</a>)</li> <li>1995 (<a href="reports/TS_8.pdf" target="_blank">PDF</a> file, 1,001 KB; <a href="reports/NIS_1995_Design_Report.jsp">HTML</a>)</li> <li>1994 (<a href="reports/TS_7.pdf" target="_blank">PDF</a> file, 961 KB; <a href="reports/NIS_1994_Design_Report.jsp">HTML</a>)</li> <li>1993 (<a href="reports/TS_6.pdf" target="_blank">PDF</a> file, 940 KB; <a href="reports/NIS_1993_Design_Report.jsp">HTML</a>)</li> <li>1988-1992 (<a href="reports/TS_5.pdf" target="_blank">PDF</a> file, 1,173 KB; <a href="reports/NIS_1992_1988_Design_Report.jsp">HTML</a>)</li> </ul> <br> <li><a href="reports/Changes_in_NIS_Design_1998.pdf" target="_blank">Changes in the NIS Sampling and Weighting Strategy for 1998</a> (PDF file, 1,275 KB)</li> <br><br> <li>Updated NIS Variance Report:</li> <ul> <li>Calculating Nationwide Inpatient Sample Variances (<a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/CalculatingNISVariances200106092005.pdf" target="_blank">PDF</a> file, 517 KB; <a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2003_2.jsp">HTML</a>)</li>  <li><a href="reports/NISVarianceReport_Notification.pdf" target="_blank">Correction</a> to 1988-2000 Instruction on How to Calculate Variances (Standard Errors) (PDF file, 76 KB)</li>  </ul> <br> <li>NIS Trends Report <ul> <li>Using the HCUP Nationwide Inpatient Sample to <a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2006_05_NISTrendsReport_1988-2004.pdf" target="_blank">Estimate Trends</a> (PDF file, 518 KB)</li>  <li><a href="nistrends.jsp">NIS Trends Supplemental Files</a></li> </ul> </li> </ul> </td> <td width="50%" align="left" valign="top" class="pagetext"> <ul> <li>NIS Comparison Report:</li> <ul> <li>2007 (<a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2010_03.pdf" target="_blank">PDF</a> file, 524 KB; <a href="reports/2007niscomparisonrpt.jsp">HTML</a>)</li> <li>2005 (<a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2008_01.pdf" target="_blank">PDF</a> file, 389 KB; <a href="reports/2005niscomparisonrpt.jsp">HTML</a>)</li> <li>2004 (<a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2007_03.pdf" target="_blank">PDF</a> file, 441 KB; <a href="reports/2004niscomparisonrpt.jsp">HTML</a>)</li> <li>2003 (<a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2006_9.pdf" target="_blank">PDF</a> file, 547 KB; <a href="reports/2003niscomparisonrpt.jsp">HTML</a>)</li> <li>2002 (<a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2005_03_del_379.pdf" target="_blank">PDF</a> file, 644 KB; <a href="reports/2002niscomparisonrpt.jsp">HTML</a>)</li> <li>2001 (<a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/NIS_Comparison_Report_2001.pdf" target="_blank">PDF</a> file, 1,076 KB; <a href="./reports/2001niscomparisonrpt.jsp">HTML</a>)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2000NISComparisonReportFinal.pdf" target="_blank">2000</a> (PDF file, 991 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/1999NISComparisonReportFinal.pdf" target="_blank">1999</a> (PDF file, 1,117 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS61997Final.pdf" target="_blank">1997</a> (PDF file, 340 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS41995Final.pdf" target="_blank">1995</a> (PDF file, 284 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS21993Final.pdf" target="_blank">1993</a> (PDF file, 301 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS11988-92Final.pdf" target="_blank">1988-1992</a> (PDF file, 436 KB)</li> </ul> <br><br> <li>HCUP Data Quality Reports:</li> <ul> <li><a href="tools/stats/SummaryStats_NIS_2012_Quality_Report.PDF" target="_blank">2012</a> (PDF file, 114 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2011_Quality_Report.PDF" target="_blank">2011</a> (PDF file, 115 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2010_Quality_Report.PDF" target="_blank">2010</a> (PDF file, 115 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2009_Quality_Report.PDF" target="_blank">2009</a> (PDF file, 116 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2008_Quality_Report.PDF" target="_blank">2008</a> (PDF file, 116 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2007_Quality_Report.PDF" target="_blank">2007</a> (PDF file, 116 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2006_Quality_Report.PDF" target="_blank">2006</a> (PDF file, 12 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2005_Quality_Report.PDF" target="_blank">2005</a> (PDF file, 12 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2004_Quality_Report.PDF" target="_blank">2004</a> (PDF file, 11 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2003_Quality_Report.PDF" target="_blank">2003</a> (PDF file, 6 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2002_Quality_Report.PDF" target="_blank">2002</a> (PDF file, 10 KB)</li> <li><a href="tools/stats/SummaryStats_NIS_2001_Quality_Report.PDF" target="_blank">2001</a> (PDF file, 10 KB)</li> <li><a href="tools/stats/NIS_2000_Quality_Report.PDF" target="_blank">2000</a> (PDF file, 10 KB)</li> <li><a href="tools/stats/NIS_1999_Quality_Report.pdf" target="_blank">1999 Version 1</a> (PDF file, 10 KB)</li> <li><a href="tools/stats/NIS_1999_Quality_Report2.pdf" target="_blank">1999 Version 2</a> (PDF file, 10 KB)</li> <li><a href="tools/stats/NIS_1998_Quality_Report.PDF" target="_blank"> 1998 Version 1</a> (PDF file, 9 KB)</li> <li><a href="tools/stats/NIS_1998_Quality_Report2.PDF" target="_blank">1998 Version 2</a> (PDF file, 10 KB)</li> <li><a href="reports/TS_13.pdf" target="_blank">1988-1997</a> (PDF file, 874 KB)</li> </ul> <br><br> <li>HCUP E Code Evaluation Report <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2013_02.pdf" target="_blank">HCUP E Code Evaluation Report, 2001-2010</a> </li> <li>Prior Versions of the E Code Evaluation</li> <ul> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2004_6.pdf" target="_blank">HCUP E Code Evaluation Report, 2001</a> (PDF file, 897 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2004_06_add_09.pdf" target="_blank">HCUP E Code Evaluation Addendum - Updated Information for 2009 </a> (PDF file, 159 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2004_06Addendum.pdf" target="_blank">HCUP E Code Evaluation Addendum - Updated Information for 2006 and 2008 </a> (PDF file, 135 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2004_6_appendix_D.pdf" target="_blank">HCUP E Code Evaluation Report - Appendix D</a> (PDF file, 486 KB)</li> <li><a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/reports/methods/2004_6_appendix_E.pdf" target="_blank">HCUP E Code Evaluation Report - Appendix E</a> (PDF file, 463 KB)</li> </ul> </ul> </li> </ul> </td> </tr> </table> <hr width="75%" align="center" class="hrruleblue"> <table width="100%"> <tr> <td align="center" class="citationtext"> Internet Citation: HCUP NIS Related Reports. Healthcare Cost and Utilization Project (HCUP). June 2014. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/nation/nis/nisrelatedreports.jsp. </td> </tr> <tr> <td align="center" class="citationtext"> <a href="/web/20140717093744/http://www.hcup-us.ahrq.gov/viewing_prntg.jsp">Are you having problems viewing or printing pages on this Website?</a> </td> </tr> <tr> <td align="center" class="citationtext"> If you have comments, suggestions, and/or questions, please contact <a href="https://web.archive.org/web/20140717093744/mailto:hcup@ahrq.gov">hcup@ahrq.gov.</a> </td> </tr> <tr> <td align="center" class="citationtext"> <a href="https://web.archive.org/web/20140717093744/http://www.ahrq.gov/policy/electronic/privacy/index.html" target="_blank">Privacy Notice</a>, <a href="https://web.archive.org/web/20140717093744/http://www.hhs.gov/plugins.html" target="_blank">Viewers & Players</a> </td> </tr> <tr> <td align="center" class="citationtext">Last modified 6/27/14</td> </tr> </table> </body> </html>

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