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  1. hcup-us.ahrq.gov/reports/natstats/94dcchpr.htm
    November 01, 1998 - HCUP-3 Nationwide Inpatient Sample for 1994: Principal Diagnoses Statistics From the HCUP-3 Nationwide … Inpatient Sample for 1994: Principal Diagnoses Overview The Healthcare Cost and Utilization Project … The information presented here is based on data from the HCUP-3 Nationwide Inpatient Sample (NIS) Release … 3, which contains all discharge records from a 20-percent sample of U.S. … HCUP-3 Nationwide Inpatient Sample The NIS sample of hospitals is a stratified probability sample of
  2. 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). … File #1 (PDF file, 239 KB) SumStats NIS 2004 10% Sample File #2 (PDF file, 239 KB) SumStats NIS … File #1 (PDF file, 252 KB) SumStats NIS 2004 Severity 10% Sample File #2 (PDF file, 252 KB) … File #1 (PDF file, 224 KB) SumStats NIS 2003 10% Sample File #2 (PDF file, 224 KB) SumStats NIS … File #1 (PDF file, 187 KB) SumStats NIS 2003 Severity 10% Sample File #2 (PDF file, 246 KB)
  3. hcup-us.ahrq.gov/tech_assist/index_mno.jsp
    August 01, 2020 - Department Sample (NEDS) Nationwide Emergency Department Sample (NEDS) - Data Elements Nationwide … Emergency Department Sample (NEDS) - Data Use Agreement Nationwide Emergency Department Sample (NEDS … Sample - Overview NIS - National (Nationwide) Inpatient Sample - Purchasing Data NIS - National … (Nationwide) Inpatient Sample - Reports NIS - National (Nationwide) Inpatient Sample - SAS, SPSS and … Stata Programs NIS - Nationwide Inpatient Sample - Calculating Nationwide Inpatient Sample Variances
  4. hcup-us.ahrq.gov/reports/methods/2015_09.jsp
    January 01, 2015 - Top NIS Sample Design For the NIS data years 2012 and later, the final sample design is as follows … Although the NIS sample design is not a cluster sample per-se, the sample is stratified on hospital … Consequently, the NIS sample resembles a stratified two-stage cluster sample. … The NIS sample weights are constant. … f sh = the proportion of the discharges in the sample from sample hospital h within stratum s .
  5. hcup-us.ahrq.gov/reports/infographics.jsp
    October 01, 2022 - (NIS) and Nationwide Emergency Department Sample (NEDS) .   … (NIS) and Nationwide Emergency Department Sample (NEDS) .   … (NIS) and Nationwide Emergency Department Sample (NEDS) .   … (NIS) , Nationwide Emergency Department Sample (NEDS) .   … (NIS) and Nationwide Emergency Department Sample (NEDS) ; HCUP Fast Stats .  
  6. hcup-us.ahrq.gov/figures/nis_figure5_2008.jsp
    January 01, 2008 - Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample … Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861
  7. hcup-us.ahrq.gov/figures/nis_figure5_2009.jsp
    January 01, 2009 - Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample … Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861
  8. hcup-us.ahrq.gov/figures/nis_figure5_2010.jsp
    January 01, 2010 - Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample … Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861
  9. hcup-us.ahrq.gov/figures/nis_figure5_2012.jsp
    January 01, 2012 - Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample … Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861
  10. hcup-us.ahrq.gov/figures/nis_figure5_2011.jsp
    January 01, 2011 - Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample … Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861
  11. hcup-us.ahrq.gov/figures/nis_figure5_2013.jsp
    January 01, 2013 - Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Years Regular Sample … Hospitals Total Sample Hospitals 1988 758 759 1989 875 882 1990 861
  12. hcup-us.ahrq.gov/figures/5_05.jsp
    January 01, 2005 - Hospitals Sampled, by Year Figure 5: Number of Hospitals Sampled, by Year Year Regular Sample … of Hospitals Total Sample of Hospitals 2005 1,054 (no value) 2004 1,004 (no value
  13. hcup-us.ahrq.gov/reports/methods/2003_02.jsp
    January 01, 2003 - Top NIS Sample Design The final sample design is as follows. … NIS Sample Weights The discharge sample weights are calculated within each sampling stratum as the … Consequently, the NIS sample resembles a stratified single-stage cluster sample with hospitals as the … f sh = the proportion of the discharges in the sample from sample hospital h within stratum s . … , or multistage sample designs.
  14. 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) … and utilization Project (HCUP) Methods Series Report #2003-02 Calculating Nationwide Inpatient Sample … Methods Series Report #2003-02 HCUP Methods Series Report #2003-02 Calculating Nationwide Inpatient Sample … ensure that there is at least one observation for each hospital in the National (Nationwide) Inpatient Sample … The first example uses the entire NIS sample.
  15. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2006.jsp
    January 01, 2006 - The main objective of a stratified sample is to ensure that the sample is representative of the target … ) and N s (sample) were the number of hospital-based EDs within stratum s in the universe and sample … A larger sample would be cumbersome for data users given that a 20% sample contains over 25 million … The HCUP Nationwide Inpatient Sample (NIS) uses the same stratified sample design, so techniques appropriate … ED visit information from a sample of hospital-based EDs HCUP Nationwide Emergency Department Sample
  16. hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
    January 01, 2019 - • The HCUP Sample Design tutorial is designed to help users learn how to account for sample design … On the basis of the set of NASS sample hospitals and universe totals, sample weights are computed that … Computation of sample weights is straightforward. … universe to sample encounter volumes so that the sample volume is inflated to agree with the universe … NASS Target Universe, Sampling Frame, and Final Sample Characteristics, 2019 Sample Description
  17. hcup-us.ahrq.gov/reports/methods/MS2015-09%20Addendum.pdf
    December 10, 2022 - Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later HCUP (12/10/22) … Cost and utilization Project (HCUP) Methods Series Report #2015-09 Calculating National Inpatient Sample … Methods Series Report #2015-09 HCUP Methods Series Report #2015-09 Calculating National Inpatient Sample … subpopulations that ensure that there is at least one observation for each hospital in the National Inpatient Sample … The first example uses the entire NIS sample.
  18. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2007.jsp
    January 01, 2007 - The main objective of a stratified sample is to ensure that the sample is representative of the target … ) and N s (sample) were the number of hospital-based EDs within stratum s in the universe and sample … A larger sample would be cumbersome for data users given that a 20% sample contains over 25 million … The HCUP Nationwide Inpatient Sample (NIS) uses the same stratified sample design, so techniques appropriate … ED visit information from a sample of hospital-based EDs HCUP Nationwide Emergency Department Sample
  19. hcup-us.ahrq.gov/figures/figure5_re_rpt.jsp
    July 01, 2016 - Figure 5: Sample Georgia Minority Health Report Card: Barrow County … Archive DATA VISUALIZATIONS DATA QUERY TOOLS Figure 5: Sample … Georgia Minority Health Report Card: Barrow County Figure 5: Sample Georgia Minority Health … return to report Internet Citation: Figure 5: Sample Georgia Minority Health
  20. hcup-us.ahrq.gov/reports/natstats/94drga.htm
    October 01, 1992 - HCUP-3 Nationwide Inpatient Sample for 1994: Diagnosis-Related Groups Statistics From the … HCUP-3 Nationwide Inpatient Sample for 1994: Diagnosis-Related Groups Overview The Healthcare Cost … The information presented here is based on data from the HCUP-3 Nationwide Inpatient Sample (NIS) Release … 3, which contains all discharge records from a 20-percent sample of U.S. … HCUP-3 Nationwide Inpatient Sample The NIS sample of hospitals is a stratified probability sample of

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