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  1. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.jsp
    January 01, 2002 - Also, when estimating totals for non-negative variables with missing values, sums would tend to be underestimated
  2. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.jsp
    January 01, 2001 - Also, when estimating totals for non-negative variables with missing values, sums would tend to be underestimated
  3. hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2022.pdf
    November 01, 2024 - without self-weighting requires weights for all estimates Self-weighting sample requires weights for estimating
  4. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.pdf
    January 01, 2000 - be used to weight HCUP NIS 2000 (05/24/02) 19 Design of the HCUP NIS, 2000 the sample data in estimating
  5. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.jsp
    January 01, 2000 - The discharge weights would be used to weight the sample data in estimating population statistics.
  6. hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS41995Final.pdf
    December 21, 1998 - C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS4 1995.wpd HCUP Methods Series kbr33831 Contact Information: Healthcare Cost and Utilization Project (HCUP) Agency for Healthcare Research and Quality 540 Gaither Road Rockville, MD 20850 http://www.hcup-us.ahrq.gov For Technica…
  7. hcup-us.ahrq.gov/figures/fig1crpt_02.jsp
    Figure 2. Estimated Discharges from Public Hospitals, 2002 Figure 2. Estimated Discharges from Public Hospitals, 2002 Hospital Beds Discharges (thousands) AHA NIS NHDS 1-99 1,156 1,133 1,236 100-199 866 633 893 200-299 701 617 501 300-499 1,297…
  8. hcup-us.ahrq.gov/figures/fig1crpt_01.jsp
    Figure 2. Estimated Discharges from Public Hospitals, 2001 Figure 2. Estimated Discharges from Public Hospitals, 2001 Hospital Beds Discharges (thousands) AHA NIS NHDS 1-99 2,665 2,876 5,251 100-199 5,178 5,234 7,884 200-299 5,303 5,307 4,971 300…
  9. hcup-us.ahrq.gov/figures/fig2_03.jsp
    Figure 2. Estimated Discharges from Public Hospitals, 2003 Figure 2. Estimated Discharges from Public Hospitals, 2003 Hospital Beds Discharges (thousands) AHA NIS NHDS 1-99 1,156 1,133 1,236 100-199 866 633 893 200-299 701 617 501 300-499 1,297…
  10. hcup-us.ahrq.gov/db/nation/nis/nis_statelevelestimates.jsp
    January 01, 2016 - "Can I use older years of the NIS that include State identifiers to do State-level estimates?" AHRQ strongly advises researchers against using the NIS to estimate State-specific statistics. Prior to 2012, State is available as a NIS data element. However, these NIS samples were not designed to yield a representat…
  11. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2013.jsp
    January 01, 2013 - without self–weighting requires weights for all estimates Self–weighting sample requires weights for estimating … care hospitals Using observed SID discharge counts in place of estimated AHA discharge counts for estimating
  12. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.jsp
    January 01, 1999 - The discharge weights would be used to weight the sample data in estimating population statistics.
  13. hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS61997Final.pdf
    August 09, 2000 - C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS6 1997.wpd HCUP Methods Series kbr33831 Contact Information: Healthcare Cost and Utilization Project (HCUP) Agency for Healthcare Research and Quality 540 Gaither Road Rockville, MD 20850 http://www.hcup-us.ahrq.gov For Technica…
  14. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report.jsp
    January 01, 2003 - Also, when estimating totals for non-negative variables with missing values, sums would tend to be underestimated
  15. 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) Addendum Methods Series Report #2015-09 Addendum to Healthcare Cost and utilization Project (HCUP) Methods Series Report #2015-09 Calculating National Inpatient Sample (NIS) Variances for Data Years 2…
  16. hcup-us.ahrq.gov/reports/methods/MS2005-07%20Addendum.pdf
    December 10, 2022 - Calculating Kids’ Inpatient Database (KID) Variances HCUP (12/10/22) Addendum Methods Series Report #2005-07 Addendum to Healthcare Cost and utilization Project (HCUP) Methods Series Report #2005-07 Calculating Kids’ Inpatient Database (KID) Variances HCUP (12/10/22) 1 Addendum Methods Series …
  17. 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 …
  18. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.pdf
    January 01, 1998 - The discharge weights would be used to weight the sample data in estimating population statistics.
  19. hcup-us.ahrq.gov/reports/methods/TrendReport2005_1.pdf
    March 19, 2004 - changing the stratification variables was minimal, we will briefly examine each specific change, without estimating … Regression for ALOS Simple linear regression is perhaps the least analytically demanding method for estimating
  20. MAINTAIN AND EXPAND (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
    January 01, 1998 - Neither scheme demonstrated a clear advantage in estimating ALOS, average charges, and average mortality … Has GEE (Generalized Estimating Equation) modeling capabilities for efficient parameter estimation.

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