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Showing results for "sampling".

101. Introduction To The HCUP Nationwide Emergency Department Sample (NEDS) 2021 (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDSIntroduction2021.pdf
     March 01, 2024 - NEDS Sampling Stratifiers ........................................................................... … Size of NEDS Target Universe, Sampling Frame, and Sample, 2021 ..................... … Sampling Frame of the NEDS The sampling frame of the NEDS does not cover the entire target universe. … Variance estimates must account for both the sampling design and the form of the statistic. … The sampling design consisted of a stratified, single-stage cluster sample.

102. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2016
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2016.jsp
     January 01, 2016 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The NIS sampling and weighting strategy was also revised in 1998. … Variance estimates must consider both the sampling design and the form of the statistic. … Thus, the sampling rate would not always be 20 percent for each stratum.

103. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2018
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2018.jsp
     January 01, 2018 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The NIS sampling and weighting strategy was also revised in 1998. … Variance estimates must consider both the sampling design and the form of the statistic. … Thus, the sampling rate would not always be 20 percent for each stratum.

104. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2017
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2017.jsp
     January 01, 2017 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The NIS sampling and weighting strategy was also revised in 1998. … Variance estimates must consider both the sampling design and the form of the statistic. … Thus, the sampling rate would not always be 20 percent for each stratum.

105. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2014
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2014.jsp
     January 01, 2014 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The NIS sampling and weighting strategy was also revised in 1998. … and how well it is represented in the sampling frame. … Thus, the sampling rate would not always be 20 percent within each stratum.

106. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2018Introduction.pdf
     November 01, 2020 - Sampling Frame of the NEDS The sampling frame of the NEDS does not cover the entire target universe. … Appendix A, Table A6 lists the sampling rates by region and stratum for the NEDS. … Variance estimates must account for both the sampling design and the form of the statistic. … The sampling design consisted of a stratified, single-stage cluster sample. … NEDS Sampling Rates by Census Region and Stratum, 2018 NEDS Stratum Number of Hospital-Based EDs Sampling

107. Checklist for Working with the NIS
     hcup-us.ahrq.gov/db/nation/nis/nischecklist.jsp
     November 01, 2024 - Return to top Research Design ⬜ Learn how to account for the NIS sampling design. … Accounting for the sampling design is critical for accurate analyses. … The sampling design of the NIS does not support State-level analyses. … sampling rates vary. … For more information, review the "Sampling Design of the NIS" section of the Introduction to the NIS

108. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2010.pdf
     November 01, 2015 - The NIS-Trends weights account for this change in NIS sampling. … SAMPLING OF HOSPITALS Sampling of Hospitals Included in the NIS The NIS Hospital Universe The … Change to Hospital Sampling Procedure Beginning with the 1998 NIS Beginning with the 1998 NIS sampling … for hospital-level sampling weights. … were fewer than two hospitals in a sampling stratum.

109. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.pdf
     January 01, 2011 - The NIS-Trends weights account for this change in NIS sampling. … SAMPLING OF HOSPITALS Sampling of Hospitals Included in the NIS The NIS Hospital Universe The … Change to Hospital Sampling Procedure Beginning with the 1998 NIS Beginning with the 1998 NIS sampling … for hospital-level sampling weights. … were fewer than two hospitals in a sampling stratum.

110. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NIS_2009_INTRODUCTION.pdf
     January 01, 2009 - The NIS-Trends weights account for this change in NIS sampling. … SAMPLING OF HOSPITALS Sampling of Hospitals Included in the NIS The NIS Hospital Universe The … Change to Hospital Sampling Procedure Beginning with the 1998 NIS Beginning with the 1998 NIS sampling … for hospital-level sampling weights. … were fewer than two hospitals in a sampling stratum.

111. Kid 1997 Overview (pdf file)
     hcup-us.ahrq.gov/db/nation/kid/Kid_1997_overview.pdf
     January 01, 1997 - The sampling frame is limited to pediatric discharges from community hospitals for which data were provided … The stratum-specific sampling rates are constant across all hospitals in the sampling frame. … This file contains data elements for linkage to the Core file, hospital characteristics, and summary sampling

112. Microsoft Word - DataElements_NIS_2000_HOSPITAL.doc (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2000_HOSPITAL.pdf
     January 01, 2000 - For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of

113. HCUP Sample Design: National Databases - Accessible Version
     hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
     January 01, 2018 - NIS Sample Frame The sampling frame for the NIS is the State Inpatient Databases, which includes over … This type of sampling design is referred to as a stratified systematic random sample. … States have been added to the sampling frame. In 1988, the NIS was based on 8 states. … This type of sampling design is referred to as a stratified, single-stage cluster sample. … The sampling frame for the KID is the same as the sampling frame for the NIS: the State Inpatient Databases

114. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2012
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2012.jsp
     January 01, 2012 - by reducing sampling error. … by reducing sampling error. … The NIS sampling and weighting strategy was also revised in 1998. … Starting with the 2012 NIS, a systematic sampling design was used to construct the database. … Thus, the sampling rate would not always be 20 percent within each stratum.

115. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2013
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2013.jsp
     January 01, 2013 - by reducing sampling error. … by reducing sampling error. … The NIS sampling and weighting strategy was also revised in 1998. … Starting with the 2012 NIS, a systematic sampling design was used to construct the database. … Thus, the sampling rate would not always be 20 percent within each stratum.

116. Checklist for Working with the NASS
     hcup-us.ahrq.gov/db/nation/nass/nasschecklist.jsp
     November 01, 2024 - ⬜ Learn how to account for the NASS sampling design. … An encounter predictive model is applied to hospital-owned facilities outside the NASS sampling frame … The tutorial will be updated in the future to directly address the NASS sampling design. … The sampling design of the NASS does not support healthcare facility-level analyses. … The sampling design of the NASS does not support physician-level analyses.

117. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2015
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2015.jsp
     January 01, 2015 - The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The new sampling strategy produces more precise estimates than the previous NIS design by reducing sampling … The NIS sampling and weighting strategy was also revised in 1998. … Starting with the 2012 NIS, a systematic sampling design is used to construct the database. … Thus, the sampling rate would not always be 20 percent within each stratum.

118. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2019Introduction.pdf
     September 01, 2021 - NEDS Sampling Stratifiers ........................................................................... … Sampling Frame of the NEDS The sampling frame of the NEDS does not cover the entire target universe. … Appendix A, Table A6 lists the sampling rates by region and stratum for the NEDS. … Variance estimates must account for both the sampling design and the form of the statistic. … The sampling design consisted of a stratified, single-stage cluster sample.

119. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2014Introduction.pdf
     December 12, 2016 - NEDS Target Universe, Sampling Frame, and Final Sample Characteristics, 2014 7 Table A.6. … About 45 OH hospitals a year were excluded from the sampling frame in 2010-2012. … Sampling Frame of the NEDS The sampling frame of the NEDS is limited to a subset of the universe: hospital-owned … The sampling design consisted of a stratified, single-stage cluster sample. … NEDS Sampling Rates, 2014 Table A.7.

120. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2020Introduction.pdf
     September 01, 2022 - NEDS Sampling Stratifiers ........................................................................... … Size of NEDS Target Universe, Sampling Frame, and Sample, 2020 ....................... 7 Table A6. … Sampling Frame of the NEDS The sampling frame of the NEDS does not cover the entire target universe … Variance estimates must account for both the sampling design and the form of the statistic. … The sampling design consisted of a stratified, single-stage cluster sample.