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Showing results for "calculated".

  1. HCUP Nationwide Inpatient Sample Design Report 1999

    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.jsp
    January 01, 1999 - Hospital Weights Hospital weights to the universe were calculated by post-stratification. … Within stratum s, each NIS sample hospital's universe weight was calculated as: W s (universe) = N … Discharge weights to the universe were calculated by post-stratification. … Within stratum s, for hospital i, each NIS sample discharge's universe weight was calculated as: DW … Standard errors and confidence intervals can then be calculated from the validation data.

  2. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2005_Design_Report.pdf
    January 01, 2005 - These NIS Trends Weights were calculated in the same way as the weights for 1998 and later years of … Hospital Weights Hospital weights to the universe were calculated by post-stratification. … Within each stratum s, each NIS sample hospital's universe weight was calculated as: Ws(universe) … Discharge weights to the universe were calculated by post-stratification. … Standard errors and confidence intervals can then be calculated from the validation data.

  3. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2004_Design_Report.pdf
    January 01, 2004 - These alternative weights were calculated in the same way as the weights for the 1998 and later years … Hospital Weights Hospital weights to the universe were calculated by post-stratification. … Within each stratum s, each NIS sample hospital's universe weight was calculated as: Ws(universe) … Discharge weights to the universe were calculated by post-stratification. … Standard errors and confidence intervals can then be calculated from the validation data.

  4. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report_Edited_012506.pdf
    January 01, 2003 - These alternative weights were calculated in the same way as the weights for the 1998 and later years … Hospital Weights Hospital weights to the universe were calculated by post-stratification. … Within each stratum s, each NIS sample hospital's universe weight was calculated as: Ws(universe) … Discharge weights to the universe were calculated by post-stratification. … Standard errors and confidence intervals can then be calculated from the validation data.

  5. MAINTAIN AND EXPAND (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
    January 01, 1998 - An estimate calculated under the new sample design will differ from that which would have been calculated … Other long-term care beds Calculated Total hospital beds C.19. … Nursing home admissions Calculated Hospital unit admissions E.1.e. … Nursing home inpatient days Calculated Hospital unit inpatient days E.1.f. … Nursing home Medicare days Calculated Hospital unit Medicare days E.2.c.

  6. Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later (pdf file)

    hcup-us.ahrq.gov/reports/methods/MS2015-09%20Addendum.pdf
    December 10, 2022 - additional guidance on a SAS® option for PROC SURVEYMEANS that will ensure that the variance estimate is calculated

  7. MAINTAIN AND EXPAND (pdf file)

    hcup-us.ahrq.gov/db/nation/kid/reports/KID_2000_Design_Report.pdf
    January 01, 2000 - Ideally, relationships among outcomes and their correlates calculated from the KID should hold across … Ideally, relationships among outcomes and their correlates calculated from the KID should hold across … Discharge weights to the universe were calculated by post-stratification. … Within stratum k, for hospital i, each KID sample discharge's universe weight was calculated as: … Standard errors and confidence intervals can then be calculated from the validation data.

  8. HCUP_methods_series_cover.ai (pdf file)

    hcup-us.ahrq.gov/reports/methods/2004_07.pdf
    January 01, 2004 - The adjusted rate was calculated as follows (and subsequently multiplied by 100,000): . … The estimates for the numerator, S*, and its standard error, SES*, were calculated in similar fashion … We calculated the observed rate as follows: .000,1000,1 1 1 N S w xw R n i i n i ii ⋅=⋅= … We calculated the directly adjusted rate: .ˆ000,1 ˆ ˆ 000,1A )( 1 , )( 1 ,,36 1 ,36 1 , )( … We calculated the test statistic and (two-sided) p-value: )Prob(*2 2 2 2 1 21 tZp SESE RRt >

  9. Microsoft Word - 2007-06.doc (pdf file)

    hcup-us.ahrq.gov/reports/methods/2007_06.pdf
    January 01, 2007 - The adjusted rate was calculated as follows (and subsequently multiplied by 100,000): . … The estimates for the numerator, S*, and its standard error, SES*, were calculated in similar fashion … We calculated the observed rate as follows: .000,1000,1 1 1 N S w xw R n i i n i ii ⋅=⋅= … We calculated the directly adjusted rate: .ˆ000,1 ˆ ˆ 000,1A )( 1 , )( 1 ,,36 1 ,36 1 , )( … We calculated the test statistic and (two-sided) p-value: )Prob(*2 2 2 2 1 21 tZp SESE RRt

  10. NIS Related Reports

    hcup-us.ahrq.gov/db/nation/nis/nisrelatedreports.jsp
    February 01, 2025 - file, 565 KB; HTML ) Addendum: Provides additional guidance to ensure that variance estimates are calculated … file, 642 KB; HTML ) Addendum: Provides additional guidance to ensure that variance estimates are calculated

  11. Methods – Applying HCUP Quality Indicators (pdf file)

    hcup-us.ahrq.gov/reports/methods/2012_03.pdf
    January 01, 2012 - For a benchmark to be calculated, rates for at least 30 States needed to be available. … Volume measure PDI 7 (pediatric heart surgery) is also not calculated. … Volume measures IQI 1 to 7 are not calculated. … **Calculated using Kaiser Family Foundation, statehealthfacts.org. … The adjusted rate was calculated as follows (and subsequently multiplied by 100,000): .

  12. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.pdf
    January 01, 2002 - Hospital Weights Hospital weights to the universe were calculated by post-stratification. … Within each stratum s, each NIS sample hospital's universe weight was calculated as: Ws(universe) … Discharge weights to the universe were calculated by post-stratification. … Within stratum s, for hospital i, each NIS sample discharge's universe weight was calculated as: … Standard errors and confidence intervals can then be calculated from the validation data.

  13. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.pdf
    January 01, 2001 - Hospital Weights Hospital weights to the universe were calculated by post-stratification. … Within each stratum s, each NIS sample hospital's universe weight was calculated as: Ws(universe) … Discharge weights to the universe were calculated by post-stratification. … Within stratum s, for hospital i, each NIS sample discharge's universe weight was calculated as: … Standard errors and confidence intervals can then be calculated from the validation data.

  14. Microsoft Word - HMS User Guide 2003.doc (pdf file)

    hcup-us.ahrq.gov/toolssoftware/hms/HMSUserGuide2003.pdf
    August 30, 2006 - A hospital’s market share is calculated as the number of discharges from that hospital divided by the … For each hospital, we calculated the distance between the hospital and the patient ZIP Codes that it … Third, for each hospital, we calculated the proportion of this hospital’s discharges that came from

  15. Microsoft Word - Cover.doc (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/APS-DRGsV20WeightsManual.pdf
    January 06, 2025 - Means are recalculated and weights are derived by dividing these means by averages calculated across … Finally, a series of summary statistics were calculated from the output files to assess data quality … Initial outlier trim points were calculated at 3.0 standard deviations from the overall arithmetic mean … The latter was calculated by dividing the total days, charges, or deaths in the input database by the … Normalized weights for the APS-DRGs were standardized to ensure that the average weight calculated

  16. C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS2 1993.wpd (pdf file)

    hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS21993Final.pdf
    April 03, 1997 - Most statistics calculated from the NIS are consistent with those from the NHDS, particularly those for … NIS statistics were mainly compared with those calculated from the following three data sources: 1. … Statistics calculated from the NHDS do have sampling error. … Medicare discharge statistics calculated from this source have no sampling error associated with them … The standard errors were calculated as follows.

  17. Microsoft Word - NHQRDR9_HCUP Methods Report_final.doc (pdf file)

    hcup-us.ahrq.gov/reports/methods/2011_06.pdf
    January 01, 2011 - For a benchmark to be calculated, rates for at least 30 States needed to be available. … Incidence measures PDI 3 (foreign body) and PDI 13 (transfusion reaction) are not calculated. … Volume measure PDI 7 (pediatric heart surgery) is also not calculated. … Volume measures IQI 1 to 7 are not calculated. … **Calculated using Kaiser Family Foundation, statehealthfacts.org.

  18. Introduction to the KID, 2022 (pdf file)

    hcup-us.ahrq.gov/db/nation/kid/KIDIntroduction2022.pdf
    December 01, 2024 - These trends weights were calculated in the same way as the weights for the 2000 and later years of … Standard errors and confidence intervals can then be calculated from the validation data. … Discharge weights to the universe were calculated by post-stratification. … Within stratum k, for hospital i, each KID sample discharge's universe weight was calculated as: … • In the normal newborns strata, Rk is the frame sampling rate for normal newborns calculated as

  19. Casestudy Qdranalysis04072017 (pdf file)

    hcup-us.ahrq.gov/datainnovations/CaseStudy_QDRanalysis04072017.pdf
    April 07, 2017 - Within each reporting category, we calculated the absolute percentage difference between the true 2014 … Provider-level QI rates are not calculated or used by the QDR. … Table 1 details how the three alternative approaches were calculated for the two different types of … The weights were calculated separately for numerator and denominator counts. … For example, the weights for the numerator of QIi were calculated as the following: Sum of counts

  20. ___APS-DRGs-Weights_Public.book (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/APS_DRGsWeightsV26Public.pdf
    April 01, 2010 - Means are recalculated and weights are derived by dividing these means by averages calculated across … Finally, a series of summary statistics were calculated from the output files to assess data quality … CALCULATE AND APPLY TRIMS Initial outlier trim points were calculated at 3.0 standard deviations from … Using these trimmed data, a second set of trim points was calculated, again using 3.0 standard deviations … The latter was calculated by dividing the total days, charges, or deaths in the input database by the
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