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  1. hcup-us.ahrq.gov/reports/natstats/his95/appcb.htm
    February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995 Appendix C (continued). Expanded diagnosis categories ( 1 ) (NOTE: You may need to scroll your browser to the right to see all the data.) ____________________________________________________________________________________…
  2. hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn22.jsp
    September 01, 2014 - Matching Patients across Institutions without Definitive Patient Identifiers An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us …
  3. hcup-us.ahrq.gov/db/nation/nis/trendwghts.jsp
    June 01, 2024 - NIS Trend Weights An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …
  4. hcup-us.ahrq.gov/db/nation/nis/nissummstats.jsp
    November 01, 2024 - The following links provide summary statistics for the National (Nationwide) Inpatient Sample (NIS). Summary Statistics include means on all numeric variables, frequency distributions, and univariates on continuous variables. Summary statistics are provided by year. Contents: 2022 NIS 2021 NIS 2020…
  5. hcup-us.ahrq.gov/db/nation/nass/stats/NASS_Summary_Stats_Supplemental_2022.pdf
    January 01, 2022 - NASS Summary Statistics 2022 14:04 Monday, November 11, 2024 1 Supplemental File Contents Alphabetic List of Variables and Attributes Num Variable Type Len Pos Label 1 HOSP_NASS Num 4 0 NASS Hospital Number 2 KEY_NASS Num 5 124 NASS Record Number 3 NCPT_NOTINSCOPE Num 3 129 # Out-of-scope CPTs for this encounter …
  6. hcup-us.ahrq.gov/reports/natstats/his95/appca.htm
    February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995 Appendix C. Expanded diagnosis categories ( 1 ) (NOTE: You may need to scroll your browser to the right to see all the data.) ________________________________________________________________________________________________…
  7. hcup-us.ahrq.gov/db/vars/asourceub92/kidnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  8. hcup-us.ahrq.gov/db/vars/asourceub92/nisnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  9. Nis 1998 Hospital (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS_1998_Hospital.pdf
    January 01, 1998 - Description of Data Elements This document contains cumulative descriptions of data elements across all years of HCUP data from 1988 to the current data year. AHAID - AHA hospital identifier The hospital identifier (AHAID) contains the 7-digit American Hospital Association (AHA) hospital identifier that the A…
  10. hcup-us.ahrq.gov/db/vars/los_x/kidnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  11. hcup-us.ahrq.gov/db/vars/los/kidnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  12. hcup-us.ahrq.gov/db/vars/los/nisnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  13. hcup-us.ahrq.gov/db/vars/los_x/nisnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  14. hcup-us.ahrq.gov/reports/factsandfigures/2009/exhibit5_6.jsp
    January 01, 2009 - Facts and Figures Exhibit 5.6 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …
  15. hcup-us.ahrq.gov/reports/natstats/his95/table2b.htm
    February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995 Table 2 (continued). Statistics for 1995 HCUP-3 Nationwide Inpatient Sample, by expanded CCHPR procedure (principal procedure only) (NOTE: This table includes 10 data columns. You may need to scroll your browser to the r…
  16. hcup-us.ahrq.gov/reports/natstats/his95/table2a.htm
    February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995 Table 2. Principal Procedures Contents Classification of procedures Operations on the nervous system Operations on the endocrine system Operations on the eye Operations on the ear Operations on the nose, mouth, and…
  17. hcup-us.ahrq.gov/reports/statbriefs/sb247-appendix.pdf
    December 25, 2022 - Appendix 247 - Opioid-Related Hospital Stays Among Women in the United States, 2016 1 Agency for Healthcare Research and Quality, Healthcare Cost and Utilization Project, Statistical Brief #247: Opioid-Related Hospital Stays Among Women in the United States, 2016 (Weiss AJ, McDermott KW, Heslin KC) APPENDIX:…
  18. Filespc1 1992 1988 (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/tools/stats/FILESPC1_1992_1988.PDF
    January 01, 1992 - NATIONWIDE INPATIENT SAMPLE NIS 1988-1992 FILE SPECIFICATIONS AND RECORD LAYOUTS HCUP-3 FILE SPECIFICATIONS NATIONWIDE INPATIENT SAMPLE (NIS), RELEASE 1, 1988-1992 Year Links to Record Layouts Description Data Set Name Number of Records Record Length Number of Bytes 1992 6 Full NIS Inpatient Stay, Quarter 1 NIS9…
  19. hcup-us.ahrq.gov/db/vars/age/kidnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  20. hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2019_ED_MaskedStats.PDF
    January 01, 2019 - please refer to the section on Description of Data Elements. For more information about the coding of HCUP data elements, HCUP Summary Statistics Report: NEDS 2019 ED File Means of Continuous Data Elements Variable / Label N N Miss Min Max Mean Std Dev CPTCCS1 : CCS: CPT 1 26,036,549 2,367,292 1.00 999.00 218.13 25…

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