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  1. hcup-us.ahrq.gov/reports/statbriefs/sb68.pdf
    March 01, 2009 - Statistical Brief #68: Hospitalizations for Brain Cancer, 2006 HEALTHCARE COST AND UTILIZATION PROJECT Agency for Healthcare Research and Quality STATISTICAL BRIEF #68 March 2009 Highlights There were nearly 73,500 hospitalizations related to brain cancer in 2006, or nearly 24.6 stays p…
  2. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2001.jsp
    January 01, 2001 - Overview to the HCUP Nationwide Inpatient Sample (NIS), 2001 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  3. hcup-us.ahrq.gov/db/nation/nis/APS-DRGsDefManualV25Public.pdf
    June 01, 2009 - ___APS-Def_Public.book 4 0 0 C a p i t a l B o u l e v a r d • R o c k y H i l l , C T 0 6 0 6 7 • 1 - 8 0 0 - 9 9 9 - 3 7 4 7 D e f i n i t i o n s M a n u a l PUB 6.26.2009 APS-DRGs® ALL-PAYER SEVERITY-ADJUSTED DRG (APS-DRGS®) ASSIGNMENT FOR PUBLIC USE VERSION 25 COPYRIGHT PAGE Copyright © 2009 I…
  4. hcup-us.ahrq.gov/reports/statbriefs/sb125.jsp
    February 01, 2012 - Statistical Brief #125 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …
  5. hcup-us.ahrq.gov/reports/statbriefs/sb159.pdf
    September 01, 2012 - Trends in Rates of Perforated Appendix, 2001–2010 1 July 2013 Trends in Rates of Perforated Appendix, 2001–2010 Marguerite L. Barrett, M.S., Anika L. Hines, Ph.D., M.P.H., and Roxanne M. Andrews, Ph.D. Introduction Monitoring trends in access to and quality of health care is an important…
  6. hcup-us.ahrq.gov/reports/statbriefs/sb132.jsp
    May 01, 2012 - Statistical Brief #132 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …
  7. hcup-us.ahrq.gov/reports/statbriefs/sb179-Emergency-Department-Trends.pdf
    November 01, 2013 - Trends in Emergency Department Visits, 2006–2011 1 September 2014 Trends in Emergency Department Visits, 2006–2011 Halcyon G. Skinner Ph.D., M.P.H., Janice Blanchard M.D., Ph.D., and Anne Elixhauser, Ph.D. Introduction There has been an overall increase in emergency department (ED) visi…
  8. hcup-us.ahrq.gov/db/nation/nis/reports/2003niscomparisonrpt.jsp
    May 01, 2016 - 2003 HCUP Nationwide Inpatient Sample (NIS) Comparison Report An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  9. hcup-us.ahrq.gov/reports/statbriefs/sb92.pdf
    July 01, 2010 - Statistical Brief #92: Mental Health and Substance Abuse-Related Emergency Department Visits among Adults, 2007 From HEALTHCARE COST AND UTILIZATION PROJECT Agency for Healthcare Research and Quality STATISTICAL BRIEF #92 July 2010 Highlights ■ In 2007, 12.0 million emergency department (ED…
  10. hcup-us.ahrq.gov/reports/statbriefs/sb264-Chronic-Condition-Preventable-Hospitalizations-2016.pdf
    January 01, 2016 - Geographic Variation in Potentially Preventable Inpatient Stays for Chronic Health Conditions, 2016 1 STATISTICAL BRIEF #264 September 2020 Audrey J. Weiss, Ph.D., and H. Joanna Jiang, Ph.D. Introduction Potentially preventable hospitalizations—those inpatient stays that could possibl…
  11. hcup-us.ahrq.gov/tech_assist/standarderrors/508/508course_2016.jsp
    January 01, 2016 - HCUP Calculating Standard Errors - Accessible Version An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQ…
  12. hcup-us.ahrq.gov/reports/statbriefs/sb251-Sickle-Cell-Disease-Stays-2016.pdf
    January 01, 2016 - Characteristics of Inpatient Hospital Stays Involving Sickle Cell Disease, 2000-2016 1 September 2019 Characteristics of Inpatient Hospital Stays Involving Sickle Cell Disease, 2000–2016 Kathryn R. Fingar, Ph.D., M.P.H., Pamela L. Owens, Ph.D., Lawrence D. Reid, Ph.D., M.P.H., Kamila B. Mist…
  13. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2005.jsp
    January 01, 2005 - INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2005 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espano…
  14. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2004.jsp
    January 01, 2004 - INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2004 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espano…
  15. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2003_v7.jsp
    January 01, 2003 - INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2003 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espano…
  16. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2002.jsp
    January 01, 2002 - Overview to the HCUP Nationwide Inpatient Sample (NIS), 2002 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  17. hcup-us.ahrq.gov/db/nation/nrd/NRDIntroduction2022.pdf
    December 01, 2024 - Introduction to the NRD, 2022 HEALTHCARE COST AND UTILIZATION PROJECT — HCUP A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA Sponsored by the Agency for Healthcare Research and Quality INTRODUCTION TO THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD) 2022 Please read all documentation careful…
  18. hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-User-Guide-v2025-1.pdf
    November 01, 2024 - User Guide (v2025.1) for Clinical Classifications Software Refined (CCSR) for ICD-10-CM USER GUIDE: CLINICAL CLASSIFICATIONS SOFTWARE REFINED (CCSR) FOR ICD-10-CM DIAGNOSES, v2025.1 Issued November 2024 Agency for Healthcare Research and Quality Healthcare Cost and Utilization Project (HCUP) Phone: (866) 2…
  19. hcup-us.ahrq.gov/tech_assist/faq.jsp
    September 01, 2025 - This page provides answers to commonly asked questions about obtaining and using the Healthcare Cost and Utilization Project (HCUP) databases, software tools, supplemental fifles, and other products. It also covers certain questions about data use restrictions and publishing with the data. Links…
  20. hcup-us.ahrq.gov/reports/statbriefs/sb265-System-Affiliation-and-Inpatient-Stays-2016.pdf
    January 01, 2016 - Health System Affiliation and Characteristics of Inpatient Stays at Rural and Metropolitan Hospitals, 2016 1 STATISTICAL BRIEF #265 October 2020 Zeynal Karaca, Ph.D., and Kathryn R. Fingar, Ph.D., M.P.H. Introduction A shift from traditional fee-for-service-based to value-based payment…

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