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HCUP Methods Series
The HCUP Method Series features a broad array of methodological information on the HCUP databases and software tools. These reports are developed by AHRQ through a Federal-State-Industry partnership.
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HCUP Methods Series

The HCUP Methods Series features a broad array of methodological information on the HCUP databases and software tools. Reports in the series are listed by year in chronological order. A list of Method Series is also available by topic.

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Report Number Title
 
2012
Report #2012-01 Population Denominator Data for use with HCUP Databases (Updated with 2010 Population data) (PDF file, 436 KB)
Appendix A Population Data Tables (in ZIP format for downloading)
Report #2012-02 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Tenth (2012) National Healthcare Quality Report (NHQR) and National Healthcare Disparities Report (PDF file, 134 KB)
Report #2012-03 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Eleventh (2013) National Healthcare Quality Report (NHQR) and National Healthcare Disparities Report (NHDR) (PDF file, 453 KB)
Report #2012-04 Overview of Key Readmission Measures and Methods (PDF file, 348 KB)
 
2011
Report #2011-01 Methodological Issues when Studying Readmissions and Revisits using Hospital Administrative Data (PDF file, 301 KB)
Report #2011-02 Evaluation of the State Ambulatory Surgery Databases, Available through the HCUP Central Distributor, 2008 (PDF file, 767 KB)
Report #2011-03 Special Study on the Meaning of the First-Listed Diagnosis on Emergency Department and Ambulatory Surgery Records (PDF file, 1.0 MB)
Report #2011-04 Tools for More Accurate Inpatient Cost Estimates with HCUP Databases, 2009 (PDF file, 837 KB)
Report #2011-05 The Case for the POA Indicator: Update 2011 (PDF file, 418 KB)
Report #2011-06 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Ninth (2011) NHQR and NHDR Report (PDF file, 367 KB)
Report #2011-07 Evaluation of the State Ambulatory Surgery Databases, Available through the HCUP Central Distributor, 2009 (PDF file, 756 KB)
 
2010
Report #2010-01 Enhancing Clinical Information in Statewide Hospital Administrative Data: Project Summary and Lessons Learned (PDF file, 248 KB)
Report #2010-02 Population Denominator Data for Use with the HCUP Databases (Updated with 2009 Population Data) (PDF file, 353 KB)
Report #2010-03 2007 HCUP Nationwide Inpatient Sample (NIS) Comparison Report (PDF file, 524 KB)
Report #2010-04 Evaluation of the State Ambulatory Surgery Databases, Available through the HCUP Central Distributor, 2007 (PDF file, 903 KB)
Report #2010-05 Inferences with HCUP State Databases Final Report (PDF file, 215 KB)
Report #2010-06 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Eighth (2010) National Healthcare Quality Report (NHQR) and National Healthcare Disparities Report (NHDR) (PDF file, 623 KB)
 
2009
Report #2009-01 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Seventh (2009) National Healthcare Quality Report (PDF file, 292 KB)
Report #2009-02 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Seventh (2009) National Healthcare Disparities Report (PDF file, 248 KB)
Report #2009-03 Evaluation of the State Ambulatory Surgery Databases, Available through the HCUP Central Distributor, 2006 (PDF file, 248 KB)
 
2008
Report #2008-01 2005 HCUP Nationwide Inpatient Sample (NIS) Comparison Report (PDF file, 389 KB)
Report #2008-02 Patient Safety in Hospitals in 2004: Toward Understanding Variation Across States (PDF file, 459 KB)
Report #2008-03 The Cost of Ambulatory Surgery Visits, 2005 (PDF file, 187 KB)
Report #2008-04 Calculate Cost Adjustment Factors by APR-DRG and CCS Using Selected States with Detailed Charge (PDF file, 122 KB)
Report #2008-05 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Sixth (2008) National Healthcare Quality Report (PDF file, 172 KB)
Report #2008-06 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Sixth (2008) National Healthcare Disparities Report (PDF file, 149 KB)
Addendum: Generating State-Level Quality Indicators by Community Income Quartile and Race/Ethnicity from HCUP Data (PDF file, 33 KB)
Report #2008-07 Population Denominator Data for Use with the HCUP Databases (Updated) (PDF file, 248 KB)
Census Population Data Tables, 1990-2007 (in ZIP format for downloading)
Report #2008-08 Evaluation of the State Ambulatory Surgery Databases, Available through the HCUP Central Distributor, 2005 (PDF file, 526 KB)
 
2007
Report #2007-01 Hierarchical Modeling Using HCUP Data (PDF file, 580 KB)
Report #2007-02 Using the KIDS' Inpatient Database (KID) to Estimate Trends (PDF file, 360 KB)
Trends Weights for the 1997 HCUP KID Data
Report #2007-03 2004 HCUP Nationwide Inpatient Sample (NIS) Comparison Report (PDF file, 441 KB)
Report #2007-04 Evaluation of the State Ambulatory Surgery Databases Available Through the HCUP Central Distributor, 2004 (PDF file, 356 KB)
Report #2007-05 The Cost of "Treat and Release" to Hospital Emergency Departments, 2003 (PDF file, 166 KB)
Report #2007-06 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Fifth (2007) National Healthcare Quality Report (PDF file, 428 KB)
Report #2007-07 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Fifth (2007) National Healthcare Disparities Report (PDF file, 508 KB)
 
2006
Report #2006-01 The Case for the Present-on-Admission (POA) Indicator (PDF file, 246 KB)
Report #2006-02 Final PNUM Linkage Variable Report of the State Databases Available Through the HCUP Central Distributor, 2003 (PDF file, 224 KB)
Report #2006-03 2003 HCUP KIDS' Inpatient Database (KID) Comparison Report (PDF file, 607 KB)
Report #2006-04 Development of Utilization Flags for Use with UB-92 Administrative Data (PDF file, 258 KB)
Appendices: A-F (PDF file, 452 KB)
Report #2006-05 Using the HCUP Nationwide Inpatient Sample to Estimate Trends (Updated for 1988 - 2004) (PDF file, 518 KB)
Trend Weights for 1988-1997 HCUP NIS Data (Link to downloadable weights files)
Report #2006-06 Updated population information available under Method Series Report 2008-07
Population Denominator Data for Use with the HCUP Databases (PDF file, 285 KB)
Census Population Data Tables, 1990-2005 (in ZIP format for downloading)
Report #2006-07 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Fourth (2006) National Healthcare Quality Report (PDF file, 212 KB)
Report #2006-08 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Fourth (2006) National Healthcare Disparities Report (PDF file, 185 KB)
Report #2006-09 Final 2003 NIS Comparison Report (PDF file, 547 KB)
Report #2006-10 Evaluation of the State Ambulatory Surgery Databases Available Through the HCUP Central Distributor, 2003 (PDF file, 316 KB)
 
2005
Report #2005-01 Using the HCUP Nationwide Inpatient Sample to Estimate Trends (1988-2002) (PDF file, 830 KB)
Trend Weights for 1988-1997 HCUP NIS Data (Link to downloadable weights files)
Report #2005-02 Emergency Department Data Evaluation (PDF file, 752 KB)
Report #2005-03 Final 2002 NIS Comparison Report (PDF file, 644 KB)
Report #2005-04 Evaluation of the State Ambulatory Surgery Databases Available Through the HCUP Central Distributor, 2002 (PDF file, 253 KB)
Report #2005-05 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Third National Healthcare Quality Report (PDF file, 282 KB)
Report #2005-06 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Third National Healthcare Disparities Report (PDF file, 186 KB)
 
2004
Report #2004-01 Comorbidity Software Documentation (PDF file, 583 KB; HTML)
Report #2004-02 Clinical Classifications Software Documentation (PDF file, 355 KB)
Report #2004-03 Evaluation of the State Ambulatory Surgery Databases 2001 (PDF file, 489 KB)
Report #2004-04 Final 2001 NIS Comparison Report (PDF file, 1,076 KB)
Report #2004-05 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Second National Healthcare Disparities Report (PDF file, 433 KB)
Report #2004-06 HCUP E Code Evaluation Report (PDF file, 897 KB)
HCUP E Code Evaluation Addendum - Updated Information for 2009 (PDF file, 159 KB)
HCUP E Code Evaluation Addendum - Updated Information for 2006 and 2008 (PDF file, 135 KB)
HCUP E Code Evaluation Report - Appendix D (PDF file, 486 KB)
HCUP E Code Evaluation Report - Appendix E (PDF file, 463 KB)
Report #2004-07 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Second (2004) National Healthcare Quality Report (PDF file, 414 KB)
 
2003
Report #2003-01 Final 2000 NIS Comparison Report (PDF file, 991 KB)
Report #2003-02 Calculating Nationwide Inpatient Sample Variances (PDF file, 517 KB; HTML)
Report #2003-03 Evaluation of the 1999 State Ambulatory Surgery Databases (PDF file, 419 KB)
Report #2003-04 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the National Healthcare Disparities Report (PDF file, 674 KB)
Report #2003-05 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the National Healthcare Quality Report (PDF file, 490 KB)
 
2002
Report #2002-01 Changes in the NIS Sampling and Weighting Strategy for 1998 (PDF file, 1,430 KB)
Report #2002-02 Final 1999 NIS Comparison Report (PDF file, 1,117 KB)
Report #2002-03 Observation Status Related to U.S. Hospital Records (PDF file, 469 KB)
 
2001
Report #2001-01 Comparative Analysis of the HCUP Kids´ Inpatient Database (KID), 1997 (PDF file, 645 KB)
 
2000
Report #2000-01 Comparison Analysis for the HCUP Nationwide Inpatient Sample Release 6 (1997) (PDF file, 340 KB)
 
1998
Report #1998-01 Comparison Analysis for the HCUP Nationwide Inpatient Sample Release 4 (1995) (PDF file, 284 KB)
 
1997
Report #1997-01 Comparison Analysis for the HCUP Nationwide Inpatient Sample Release 2 (1993) (PDF file, 301 KB)
 
1996
Report #1996-01 Comparison Analysis for the HCUP Nationwide Inpatient Sample Release 1 (1988-1992) (PDF file, 436 KB)

Internet Citation: HCUP Methods Series. Healthcare Cost and Utilization Project (HCUP). December 2012. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/reports/methods/methods.jsp.
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Last modified 12/20/12