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  1. hcup-us.ahrq.gov/db/nation/nass/2018_NASS_Introduction.pdf
    January 01, 2018 - HEALTHCARE COST AND UTILIZATION PROJECT — HCUP 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 AMBULATORY SURGERY SAMPLE (NASS) 2018 …
  2. hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS41995Final.pdf
    December 21, 1998 - RESULTS Comparisons Between the NIS and the NHDS Since the NIS and the NHDS represent different samples
  3. hcup-us.ahrq.gov/db/nation/nis/nis_2004_stspecific_restr.jsp
    January 01, 2004 - Sources of NIS Data and State-Specific Restrictions 2004 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  4. hcup-us.ahrq.gov/reports/methods/MS2003-02%20Addendum.pdf
    December 10, 2022 - Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later HCUP (12/10/22) Addendum Methods Series Report #2003-02 Addendum to Healthcare Cost and utilization Project (HCUP) Methods Series Report #2003-02 Calculating Nationwide Inpatient Sample (NIS) Variances for Data Years …
  5. hcup-us.ahrq.gov/nisoverview.jsp
    July 01, 2025 - HCUP-US NIS Overview An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …
  6. hcup-us.ahrq.gov/db/nation/nass/nasschecklist.jsp
    November 01, 2024 - Checklist for Working with the NASS 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/db/nation/nis/NIS_Sources_and_Restrictions_2002.pdf
    January 01, 2002 - Sources of NIS Data and State-Specific Restrictions 2002 AZ Arizona Department of Health Services (Data not available in the 2002 NIS) No restrictions CA Office of Statewide Health Planning & Development No restrictions CO Colorado Health & Hospital Association No re…
  8. hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2000_HOSPITAL.pdf
    January 01, 2000 - Microsoft Word - DataElements_NIS_2000_HOSPITAL.doc Description of Data Elements Nationwide Inpatient Sample (NIS) Hospital Weights File This document contains cumulative descriptions of data elements across all states and years of HCUP data from 1988 to the current data year. Please refe…
  9. hcup-us.ahrq.gov/db/nation/neds/NEDS_2006_Introductionv4.pdf
    January 01, 2006 - Microsoft Word - NEDS_2006_Introduction v4.doc 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 EMERGENCY DEPARTMENT SAMPLE (NEDS) 2006 …
  10. hcup-us.ahrq.gov/db/nation/nis/NIS_Sources_and_Restrictions_2000.pdf
    January 01, 2000 - Sources of NIS Data and State-Specific Restrictions 2000 AZ Arizona Department of Health Services No restrictions CA Office of Statewide Health Planning & Development No restrictions CO Colorado Health & Hospital Association No restrictions CT CHIME, Inc.…
  11. 2017-02 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2017-02.pdf
    January 01, 2017 - HCUP Methods Series kbr33831 Contact Information: Healthcare Cost and Utilization Project (HCUP) Agency for Healthcare Research and Quality 5600 Fishers Lane Room 07W17B Mail Stop 7W25B Rockville, MD 20857 http://www.hcup-us.ahrq.gov For Technical Assistance with HCUP Products: Email: hcup@ahr…
  12. hcup-us.ahrq.gov/db/nation/kid/DataElements_KID_Hospital_2000.pdf
    January 01, 2000 - Microsoft Word - kid_dde_hospnotes_2000.doc HCUP KIDS’ INPATIENT DATABASE 2000 DESCRIPTION OF DATA ELEMENTS HOSPITAL WEIGHTS FILE This document contains cumulative descriptions of data elements across all years of HCUP data from 1988 to the current data year. Not all data el…
  13. hcup-us.ahrq.gov/db/nation/nis/nis_2003_stspecific_restr.jsp
    January 01, 2003 - Sources of NIS Data and State-Specific Restrictions 2003 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  14. hcup-us.ahrq.gov/db/nation/nis/nis_2005_stspecific_restr.jsp
    January 01, 2005 - Sources of NIS Data and State-Specific Restrictions 2005 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  15. hcup-us.ahrq.gov/db/nation/nis/NIS96_Overview_122104.pdf
    November 01, 2015 - All data elements, including discharge weight, adjusted for subsampling C These two non-overlapping samples
  16. hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp
    January 01, 2009 - Standard formulas for stratified, two-stage cluster samples without replacement may be used to calculate
  17. hcup-us.ahrq.gov/db/nation/nis/NIS88-92Overview_122104.pdf
    November 01, 2015 - Microsoft Word - CentralDistributor_NIS88-97binderV5.doc HEALTHCARE COST AND UTILIZATION PROJECT — HCUP A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA Sponsored by the Agency for Healthcare Research and Quality OVERVIEW OF THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS) RELEASE 1, 1988-…
  18. hcup-us.ahrq.gov/db/nation/neds/NEDS2007v2IntroductionRevised.pdf
    November 01, 2015 - HEALTHCARE COST AND UTILIZATION PROJECT — HCUP 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 EMERGENCY DEPARTMENT SAMPLE (NEDS) 2007 (Versio…
  19. hcup-us.ahrq.gov/db/nation/neds/NEDS2008Introductionv3.pdf
    November 01, 2015 - HEALTHCARE COST AND UTILIZATION PROJECT — HCUP 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 EMERGENCY DEPARTMENT SAMPLE (NEDS) 2008 …
  20. hcup-us.ahrq.gov/db/nation/nis/NIS_Sources_and_Restrictions_2001.pdf
    January 01, 2001 - Sources of NIS Data and State-Specific Restrictions 2001 AZ Arizona Department of Health Services No restrictions CA Office of Statewide Health Planning & Development No restrictions CO Colorado Health & Hospital Association No restrictions CT CHIME, Inc. …

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