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Showing results for "samples".

101. Calculating Variances Using the 1999 Nationwide Inpatient Sample (pdf file)
     hcup-us.ahrq.gov/reports/methods/2005-07.pdf
     January 01, 2005 - • The SURVEYSELECT procedure provides a variety of methods for selecting probability-based random samples … The procedure can select a simple random sample, or samples with design features such as stratification

102. Calculating Variances Using the 1999 Nationwide Inpatient Sample (pdf file)
     hcup-us.ahrq.gov/reports/methods/2003_02.pdf
     January 01, 2003 -  The SURVEYSELECT procedure provides a variety of methods for selecting probability-based random samples … The procedure can select a simple random sample, or samples with design features such as stratification

103. 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 two samples can be combined to form a single, generalizable 20 percent subsample of discharges. … Potthoff, Woodbury, and Manton 2 ) have been developed to draw inferences using weights from complex samples

104. HCUP Sample Design: National Databases - Accessible Version
     hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
     January 01, 2018 - Remember that these national databases are based on samples - they must be weighted to derive national

105. HCUP Methods Series Calculating Nationwide Inpatient Sample (NIS) Variances for Data Years 2011 and Earlier
     hcup-us.ahrq.gov/reports/methods/2003_02.jsp
     January 01, 2003 - superpopulation (stochastic) model, procedures have been developed to draw inferences using weights from complex samples … The SURVEYSELECT procedure provides a variety of methods for selecting probability-based random samples … The procedure can select a simple random sample, or samples with design features such as stratification

106. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2012
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2012.jsp
     January 01, 2012 - of discharges from a sample of approximately 1,000 hospitals, whereas the proposed systematic design samples … Patient factors DRG Admission month The superior performance of the systematic design that samples … 0.58 0.57 0.55 Hospital Mortality 0.57 0.55 0.55 0.51 Based on 500 Simulated Samples

107. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2018
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2018.jsp
     January 01, 2018 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples

108. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2017
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2017.jsp
     January 01, 2017 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples

109. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2014
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2014.jsp
     January 01, 2014 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples

110. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2019
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2019.jsp
     January 01, 2019 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples

111. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2016
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2016.jsp
     January 01, 2016 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples

112. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2020
     hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2020.jsp
     January 01, 2020 - THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2020 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQ…

113. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2020
     hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2020.jsp
     January 01, 2020 - THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2020 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …

114. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2015
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2015.jsp
     January 01, 2015 - Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples … Analyses of time trends using the HCUP NIS are recommended from 1993 forward because earlier samples

115. Overview to the HCUP Nationwide Inpatient Sample (NIS), 2001
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2001.jsp
     January 01, 2001 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State

116. Overview to the HCUP Nationwide Inpatient Sample (NIS), 2002
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2002.jsp
     January 01, 2002 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State

117. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2005
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2005.jsp
     January 01, 2005 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State

118. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2004
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2004.jsp
     January 01, 2004 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State

119. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2003
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2003_v7.jsp
     January 01, 2003 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State

120. HCUP_methods_series_cover.ai (pdf file)
     hcup-us.ahrq.gov/reports/methods/TrendReport2005_1.pdf
     March 19, 2004 - For this analysis we drew 500 samples using the old sample design, with and without the preference for … A comparison of the distribution of estimates across the 500 samples showed that removing the longitudinal … Adjustments to the Stratification Variables In redesigning the sample, we did not simulate NIS samples … of mental health and substance abuse (MHSA) between 1988 and 1997 using one of the NIS 10-percent samples … While we encourage the use of the 10-percent samples for preliminary analyses, we recommend that final