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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.
 
 
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 below by category. Reports are also listed by year in chronological order.
 

Methodology
HCUP Methods for NHQR and NHDR
Comparison Reports
Evaluations of Data
Enhancing Administrative Data
  • Clinical Information
  • Diagnosis Present on Admission Indicators
  • Synthetic Person Numbers (for linking across settings and over time)
HCUP Tool Development
  • Comorbidity Software
  • Clinical Classifications Software
  • Utilization Flags
Statistical Methods
Report #2010-05 Inferences with HCUP State Databases Final Report (PDF file, 215 KB)
Report #2007-01 Hierarchical Modeling Using HCUP Data (PDF file, 580 KB)
Report #2003-02 Calculating Nationwide Inpatient Sample Variances (PDF file, 517 KB; HTML)
Report #2002-01 Changes in the NIS Sampling and Weighting Strategy for 1998 (PDF file, 1,430 KB)
 
Estimating Trends (NIS and KID)
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 #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 #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)
 
Calculating Costs
Report #2011-04 Tools for More Accurate Inpatient Cost Estimates with HCUP Databases, 2009 (PDF file, 837 KB)
Report #2008-04 Calculate Cost Adjustment Factors by APR-DRG and CCS Using Selected States with Detailed Charge (PDF file, 122 KB)
Report #2008-03 The Cost of Ambulatory Surgery Visits, 2005 (PDF file, 187 KB)
Report #2007-05 The Cost of "Treat and Release" to Hospital Emergency Departments, 2003 (PDF file, 166 KB)
 
Population Denominator Data for Use with HCUP Databases
Report #2014-02 Population Denominator Data for Use with the HCUP Databases (Updated with 2013 Population Data) (PDF file, 538 KB)
Appendix A Population Data Tables (in ZIP format for downloading)
Report #2013-01 Population Denominator Data for use with HCUP Databases (Updated with 2012 Population data) (PDF file, 338 KB)
Appendix A Population Data Tables (in ZIP format for downloading)
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 #2010-02 Population Denominator Data for Use with the HCUP Databases (Updated with 2009 Population Data) (PDF file, 353 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 #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)
 
Readmission and Revisit Analyses
Report #2012-04 Overview of Key Readmission Measures and Methods (PDF file, 348 KB)
Report #2011-01 Methodological Issues when Studying Readmissions and Revisits using Hospital Administrative Data (PDF file, 301 KB)
 
Comparison Reports - Nationwide Inpatient Sample (NIS)
Report #2010-03 2007 Report (PDF file, 524 KB)
Report #2008-01 2005 Report (PDF file, 389 KB)
Report #2007-03 2004 Report (PDF file, 441 KB)
Report #2006-09 2003 Report (PDF file, 547 KB)
Report #2005-03 2002 Report (PDF file, 644 KB)
Report #2004-04 2001 Report (PDF file, 1,076 KB)
Report #2003-01 2000 Report (PDF file, 991 KB)
Report #2002-02 1999 Report (PDF file, 1,117 KB)
Report #2000-01 1997 Report (PDF file, 340 KB)
Report #1998-01 1995 Report (PDF file, 284 KB)
Report #1997-01 1993 Report (PDF file, 301 KB)
Report #1996-01 1988-1992 Report (PDF file, 436 KB)
 
Comparison Reports - Kids’ Inpatient Database (KID)
Report #2006-03 2003 HCUP KIDS' Inpatient Database (KID) Comparison Report (PDF file, 607 KB)
Report #2001-01 Comparative Analysis of the HCUP Kids´ Inpatient Database (KID), 1997 (PDF file, 645 KB)
 
Evaluations - Emergency Department Data
Report #2011-03 Special Study on the Meaning of the First-Listed Diagnosis on Emergency Department and Ambulatory Surgery Records (PDF file, 1 MB)
Report #2005-02 Emergency Department Data Evaluation (PDF file, 752 KB)
 
Evaluations - State Ambulatory Surgery Databases
Report #2011-07 2009 Report (PDF file, 756 KB)
Report #2011-03 Special Study on the Meaning of the First-Listed Diagnosis on Emergency Department and Ambulatory Surgery Records (PDF file, 1 MB)
Report #2011-02 2008 Report (PDF file, 767 KB)
Report #2010-04 2007 Report (PDF file, 903 KB)
Report #2009-03 2006 Report (PDF file, 248 KB)
Report #2008-08 2005 Report (PDF file, 526 KB)
Report #2007-04 2004 Report (PDF file, 356 KB)
Report #2006-10 2003 Report (PDF file, 316 KB)
Report #2005-04 2002 Report (PDF file, 253 KB)
Report #2004-03 2001 Report (PDF file, 489 KB)
Report #2003-03 1999 Report (PDF file, 419 KB)
 
Evaluations - Other
Report #2014-01 HCUP External Cause of Injury (E Code) Evaluation Report (Updated with 2011 HCUP Data) (PDF file, 297 KB)
Report #2013-02 HCUP External Cause of Injury (E Code) Evaluation Report (Updated with 2010 HCUP Data) (PDF file, 227 KB)
Report #2008-02 Patient Safety in Hospitals in 2004: Toward Understanding Variation Across States (PDF file, 459 KB)
Report #2004-06 HCUP External Cause of Injury (E Code) Evaluation Report (2001 HCUP Data) (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 #2002-03 Observation Status Related to U.S. Hospital Records (PDF file, 469 KB)
 
Enhancing Administrative Data
Report #2011-05 The Case for the POA Indicator: Update 2011 (PDF file, 418 KB)
Report #2010-01 Enhancing Clinical Information in Statewide Hospital Administrative Data: Project Summary and Lessons Learned (PDF file, 248 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 #2006-01 The Case for the Present-on-Admission (POA) Indicator (PDF file, 246 KB)
 
HCUP Tool Development
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 #2004-02 Clinical Classifications Software Documentation (PDF file, 355 KB)
Report #2004-01 Comorbidity Software Documentation (PDF file, 583 KB; HTML)
 
HCUP Methods for National Healthcare Quality Report
Report #2012-03 Eleventh (2013) Quality and Disparities Report (PDF file, 453 KB; HTML)
Report #2012-02 Tenth (2012) Quality and Disparities Report (PDF file, 134 KB; HTML)
Report #2011-06 Ninth (2011) Quality and Disparities Report (PDF file, 367 KB)
Report #2010-06 Eighth (2010) Quality and Disparities Report (PDF file, 623 KB)
Report #2009-01 Seventh (2009) Quality Report (PDF file, 292 KB)
Report #2008-05 Sixth (2008) Quality Report (PDF file, 172 KB)
Report #2007-06 Fifth (2007) Quality Report (PDF file, 428 KB)
Report #2006-07 Fourth (2006) Quality Report (PDF file, 212 KB)
Report #2005-05 Third (2005) Quality Report (PDF file, 282 KB)
Report #2004-07 Second (2004) Quality Report (PDF file, 414 KB)
Report #2003-05 First (2003) Quality Report (PDF file, 490 KB)
 
HCUP Methods for National Healthcare Disparities Report
Report #2012-03 Eleventh (2013) Quality and Disparities Report (PDF file, 458 KB; HTML)
Report #2012-02 Tenth (2012) Quality and Disparities Report (PDF file, 134 KB; HTML)
Report #2011-06 Ninth (2011) Quality and Disparities Report (PDF file, 367 KB)
Report #2010-06 Eighth (2010) Quality and Disparities Report (PDF file, 623 KB)
Report #2009-02 Seventh (2009) Disparities Report (PDF file, 248 KB)
Report #2008-06 Sixth (2008) Disparities Report (PDF file, 149 KB)
Addendum to Sixth (2008) Disparities Report (PDF file, 33 KB)
Report #2007-07 Fifth (2007) Disparities Report (PDF file, 508 KB)
Report #2006-08 Fourth (2006) Disparities Report (PDF file, 185 KB)
Report #2005-06 Third (2005) Disparities Report (PDF file, 186 KB)
Report #2004-05 Second (2004) Disparities Report (PDF file, 433 KB)
Report #2003-04 First (2003) Disparities Report (PDF file, 674 KB)

Internet Citation: HCUP Methods Series. Healthcare Cost and Utilization Project (HCUP). August 2014. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/reports/methods/methods_topic.jsp.
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Last modified 8/18/14