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21. HCUP Nationwide Inpatient Sample Design Report 2002
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.jsp
    January 01, 2002 - Variance Calculations It may be important for researchers to calculate a measure of precision for … Examples of the use of SAS, SUDAAN, and STATA to calculate variances in the NIS are presented in the … Beginning in 1998, we calculate discharges as the sum of hospital admissions (AHA data element ADMH) … Variance Calculations It may be important for researchers to calculate a measure of precision for … Several computer programs are listed below that calculate statistics and their variances from sample

22. HCUP Nationwide Inpatient Sample Design Report 2001
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.jsp
    January 01, 2001 - Variance Calculations It may be important for researchers to calculate a measure of precision for … Beginning in 1998, we calculate discharges as the sum of hospital admissions (AHA data element ADMH) … Variance Calculations It may be important for researchers to calculate a measure of precision for … Several computer programs are listed below that calculate statistics and their variances from sample … The NIS database includes a Hospital Weights file with variables required by these programs to calculate

23. ___APS-DRGs-Weights_Public.book (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/APS-DRGsWeightsV27Public.pdf
    April 01, 2010 - CALCULATE AND APPLY TRIMS Initial outlier trim points were calculated at 3.0 standard deviations from … CALCULATE RELATIVE WEIGHTS The final, post-imputation estimated average LOS, cost, charge, and mortality … After trimming outliers, 18,724,995 inlier records were used to calculate charge weights, 18,696,543.00 … inlier records were used to calculate cost weights, and 18,744,276 inlier records were used to calculate … To calculate an expected charge (expected cost, expected LOS, or expected mortality) for a given discharge

24. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/reports/KID_2003_Design_Edited_013006.pdf
    January 01, 2003 - For the 2003 KID, use DISCWT to calculate nationwide estimates for all analyses. … Variance Calculations It may be important for researchers to calculate a measure of precision for … Examples of the use of SAS, SUDAAN, and STATA to calculate variances in the KID are presented in the … For the 2003 KID, use DISCWT to calculate nationwide estimates for all analyses. … Several computer programs that calculate statistics and their variances from sample survey data are

25. Nis 1998 Design Report (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.pdf
    January 01, 1998 - DATA ANALYSIS Variance Calculations It may be important for researchers to calculate a measure … Several computer programs are listed below that calculate statistics and their variances from sample … However, it may be desirable to calculate variances using formulas specifically developed for some statistics … An example of using SUDAAN to calculate variances in the NIS is presented in the report: Calculating … The NIS database includes a Hospital Weights file with variables required by these programs to calculate

26. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.pdf
    January 01, 2000 - Data Analysis Variance Calculations It may be important for researchers to calculate a measure of … DATA ANALYSIS Variance Calculations It may be important for researchers to calculate a measure … Several computer programs are listed below that calculate statistics and their variances from sample … Examples of the use of SAS, SUDAAN and STATA to calculate variances in the NIS are presented in the … For an excellent review of programs to calculate statistics from survey data, visit the following web

27. HCUP Nationwide Inpatient Sample Design Report 2000
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.jsp
    January 01, 2000 - Standard formulas for a stratified, single-stage cluster sampling without replacement may be used to calculate … DATA ANALYSIS Variance Calculations It may be important for researchers to calculate a measure … Several computer programs are listed below that calculate statistics and their variances from sample … For an excellent review of programs to calculate statistics from survey data, visit the following website … The NIS database includes a Hospital Weights file with variables required by these programs to calculate

28. Introduction to the KID, 2022 (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/KIDIntroduction2022.pdf
    December 01, 2024 - However, the same statistical techniques should be used to calculate standard errors and confidence … Several computer programs that calculate statistics and their variances from sample survey data are … However, the same statistical techniques should be used to calculate standard errors and confidence … Therefore, researchers will not be able to calculate hospital- specific outcomes with certainty. … Beginning with the 2003 KID, use DISCWT to calculate nationwide estimates for all analyses.

29. Healthcare Cost and Utilization Project (HCUP) KID Notes
    hcup-us.ahrq.gov/db/vars/ageday/kidnote.jsp
    September 01, 2008 - If the data source does not provide the necessary dates to calculate age in days or the reported age … Beginning in 2008, we use supplied fields when we cannot calculate from dates. … The imputed date was not used to calculate other data elements or to perform edit checks.

30. Healthcare Cost and Utilization Project (HCUP) NIS Notes
    hcup-us.ahrq.gov/db/vars/ageday/nisnote.jsp
    September 01, 2008 - If the data source does not provide the necessary dates to calculate age in days or the reported age … Beginning in 2008, we use supplied fields when we cannot calculate from dates. … The imputed date was not used to calculate other data elements or to perform edit checks.

31. HCUP Nationwide Inpatient Sample Design Report 2003
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report.jsp
    January 01, 2003 - Variance Calculations It may be important for researchers to calculate a measure of precision for … Examples of the use of SAS, SUDAAN, and STATA to calculate variances in the NIS are presented in the … Beginning in 1998, we calculate discharges as the sum of hospital admissions (AHA data element ADMH) … Variance Calculations It may be important for researchers to calculate a measure of precision for … Several computer programs are listed below that calculate statistics and their variances from sample

32. Checklist for Working with the NIS
    hcup-us.ahrq.gov/db/nation/nis/nischecklist.jsp
    November 01, 2024 - To learn how to calculate standard errors, view the HCUP Calculating Standard Errors On-line Tutorial … ⬜ Calculate rates of hospital care events per population when you need to control for differences … There are several sources of population data that can be used with the HCUP databases to calculate rates

33. Checklist for Working with the NRD
    hcup-us.ahrq.gov/db/nation/nrd/nrdchecklist.jsp
    November 01, 2024 - To learn how to calculate standard errors, view the HCUP Calculating Standard Errors Online Tutorial … ⬜ Calculate rates of hospital care events per population when you need to control for … There are several sources of population data that can be used with the HCUP databases to calculate rates

34. HCUP Nationwide Inpatient Sample Design Report 1998
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.jsp
    January 01, 1998 - Several computer programs are listed below that calculate statistics and their variances from sample … However, it may be desirable to calculate variances using formulas specifically developed for some statistics … In addition, several statistical analysis programs have been developed that specifically calculate statistics … An example of using SUDAAN to calculate variances in the NIS is presented in the report: Calculating … The NIS database includes a Hospital Weights file with variables required by these programs to calculate

35. Microsoft Word - NIS_1999_Design_Report.doc (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.pdf
    January 01, 1999 - DATA ANALYSIS Variance Calculations It may be important for researchers to calculate a measure … Several computer programs are listed below that calculate statistics and their variances from sample … However, it may be desirable to calculate variances using formulas specifically developed for some statistics … An example of using SUDAAN to calculate variances in the NIS is presented in the report: Calculating … The NIS database includes a Hospital Weights file with variables required by these programs to calculate

36. Checklist for Working with the NASS
    hcup-us.ahrq.gov/db/nation/nass/nasschecklist.jsp
    November 01, 2024 - Because the NASS is a stratified cluster sample, proper statistical techniques must be used to calculate … To learn how to calculate standard errors, view the HCUP Calculating Standard Errors On-line Tutorial … ⬜ Calculate rates of in-scope surgeries per population when you need to control for differences … There are several sources of population data that can be used with the HCUP databases to calculate rates

37. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2006 (Version 1)
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2006.jsp
    January 01, 2006 - Weights are provided to calculate national estimates pertaining to over 120 million ED visits in 2006 … Variance Calculations It may be important for researchers to calculate a measure of precision for … To accurately calculate variances from the NEDS, appropriate statistical software and techniques must … Several computer programs that calculate statistics and their variances from sample survey data are … However, it may be desirable to calculate variances using formulas specifically developed for certain

38. HCUP Nationwide Inpatient Sample Design Report 1997
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1997_Design_Report.jsp
    January 01, 1997 - These probabilities were set by the same algorithm used to calculate P for the original (1988) hospital … DATA ANALYSIS Variance Calculations It may be important for researchers to calculate a measure of … Several computer programs are listed below that calculate statistics and their variances from sample … An example of using SUDAAN to calculate variances in the NIS is presented in Technical Supplement: … The NIS database includes a Hospital Weights file with variables required by these programs to calculate

39. ___APS-DRGs-Weights_Public.book (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/APS_DRGsWeightsV26Public.pdf
    April 01, 2010 - CALCULATE AND APPLY TRIMS Initial outlier trim points were calculated at 3.0 standard deviations from … CALCULATE RELATIVE WEIGHTS The final, post-imputation estimated average LOS, charge, and mortality for … After trimming outliers, 12,410,913 inlier records were used to calculate charge weights and 12,464,158 … inlier records were used to calculate LOS weights. … To calculate an expected charge (expected LOS, or expected mortality) for a given discharge record,

40. Healthcare Cost and Utilization Project (HCUP) NIS Notes
    hcup-us.ahrq.gov/db/vars/prdayn/nisnote.jsp
    September 01, 2008 - Beginning in 2000, procedure dates were provided by the data source and used to calculate day of procedure … These fields are used to calculate PRDAYn. … Kansas Beginning with 2005, Kansas provided procedure dates, which were used to calculate day of procedure