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Showing results for "design sample size".

1. HCUP Nationwide Inpatient Sample Design Report 1998
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.jsp
   January 01, 1998 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1998 … This sample size was determined by AHRQ based on their experience with similar research databases. … sizes yield good estimates. … This was two more than the target sample size of 138 hospitals. … size.

2. HCUP Nationwide Inpatient Sample Design Report 1999
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.jsp
   January 01, 1999 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1999 … This sample size was determined by AHRQ based on their experience with similar research databases. … sizes yield good estimates. … This was two more than the target sample size of 136 hospitals. … size.

3. Nis 1998 Design Report (pdf file)
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.pdf
   January 01, 1998 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1998 … This sample size was determined by AHRQ based on their experience with similar research databases. … sizes yield good estimates. … This was two more than the target sample size of 138 hospitals. … size.

4. HCUP Nationwide Inpatient Sample Design Report 2000
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.jsp
   January 01, 2000 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 2000 … This sample size was determined by AHRQ based on their experience with similar research databases. … Even though it was recognized that the approach chosen would not be as efficient, the extremely large sample … sizes yield good estimates. … This was four more than the target sample size of 139 hospitals, resulting in a surplus of four hospitals

5. HCUP Nationwide Inpatient Sample Design Report 1993
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1993_Design_Report.jsp
   January 01, 1993 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1993 … This sample size was determined by AHCPR based on their experience with similar research databases. … sizes yield good estimates. … This was 16 hospitals more than the target sample size of 158. … "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using Survey Weights

6. HCUP Nationwide Inpatient Sample Design Report 1997
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1997_Design_Report.jsp
   January 01, 1997 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1997 … This sample size was determined by AHCPR based on their experience with similar research databases. … sizes yield good estimates. … This was seven hospitals more than the target sample size of 147. … "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using Survey Weights

7. HCUP Nationwide Inpatient Sample Design Report 1995
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1995_Design_Report.jsp
   January 01, 1995 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1995 … This sample size was determined by AHCPR based on their experience with similar research databases. … sizes yield good estimates. … This was 8 hospitals more than the target sample size of 154. … "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using Survey Weights

8. HCUP Nationwide Inpatient Sample Design Report 1994
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1994_Design_Report.jsp
   January 01, 1994 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1994 … This sample size was determined by AHCPR based on their experience with similar research databases. … sizes yield good estimates. … This was 12 hospitals more than the target sample size of 156. … "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using Survey Weights

9. HCUP Nationwide Inpatient Sample Design Report 1996
   hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1996_Design_Report.jsp
   January 01, 1996 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1996 … This sample size was determined by AHCPR based on their experience with similar research databases. … sizes yield good estimates. … This was 1 hospital more than the target sample size of 151. … "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using Survey Weights

10. HCUP Nationwide Inpatient Sample Design Report 2001
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.jsp
    January 01, 2001 - This sample size was determined by AHRQ based on their experience with similar research databases. … sizes yield good estimates. … This was two more than the target sample size of 134 hospitals, resulting in a surplus of two hospitals … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

11. HCUP Nationwide Inpatient Sample Design Report 2002
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.jsp
    January 01, 2002 - This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield good estimates … This was three more than the target sample size of 133 hospitals, resulting in a surplus of three hospitals … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

12. HCUP Nationwide Inpatient Sample Design Report 2004
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2004_Design_Report.jsp
    January 01, 2004 - This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield good estimates … This was four more than the target sample size of 131 hospitals, resulting in a surplus. … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

13. HCUP Nationwide Inpatient Sample Design Report 2005
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2005_Design_Report.jsp
    January 01, 2005 - This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield reliable estimates … This was four more than the target sample size of 134 hospitals, resulting in a surplus. … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

14. HCUP Nationwide Inpatient Sample Design Report 2003
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report.jsp
    January 01, 2003 - This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield good estimates … This was three more than the target sample size of 131 hospitals, resulting in a surplus of three hospitals … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

15. HCUP Nationwide Inpatient Sample Design Report 1992-1988
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1992_1988_Design_Report.jsp
    January 01, 1992 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for each … This sample size was determined by AHCPR based on their experience with similar research databases. … sizes would still yield good estimates. … This was 24 hospitals short of the overall target sample size of 165. … "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using Survey Weights

16. HCUP Sample Design: National Databases - Accessible Version
    hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
    January 01, 2018 - HCUP Sample Design: National Databases - Accessible Version … Avoid common errors that result from misunderstanding of sample design. … Return to Contents   Sample Design Changes Over Time Now that you understand the NIS sample design … There were important sample design changes in 1998. … There were also important design changes in 2012.

17. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.pdf
    January 01, 2000 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 2000 … This sample size was determined by AHRQ based on their experience with similar research databases. … Even though it was recognized that the approach chosen would not be as efficient, the extremely large sample … sizes yield good estimates. … This was four more than the target sample size of 139 hospitals, resulting in a surplus of four hospitals

18. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
    January 01, 1998 - ................................................................................................32 Sample … Size ............................................................................................... … Sample Size We will continue to sample a number of hospitals equal to 20 percent of the universe … Control language specifies the selection methods, the desired sample size or sampling rate, and other … Size Two 10-percent Subsamples Final Design Weight Calculations One Weight per Stratum Four Weights

19. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/reports/methods/1998ChangesintheNISRedesignFinal.pdf
    January 18, 2002 - ................................................................................................32 SAMPLE … SIZE................................................................................................ … Sample Size We will continue to sample a number of hospitals equal to 20 percent of the universe … Control language specifies the selection methods, the desired sample size or sampling rate, and other … Size Two 10-percent Subsamples Final Design Weight Calculations One Weight per Stratum Four Weights

20. 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 - The target sample size was 20 percent of the total number of community hospitals in the U.S. for 1999 … This sample size was determined by AHRQ based on their experience with similar research databases. … sizes yield good estimates. … This was two more than the target sample size of 136 hospitals. … size.