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81. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2011
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2011.jsp
    January 01, 2011 - Weights are provided to calculate national estimates pertaining to 131 million ED visits in 2011. … 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

82. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2010
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2010.jsp
    January 01, 2010 - Weights are provided to calculate national estimates pertaining to almost 130 million ED visits in 2010 … 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

83. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2012
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2012.jsp
    January 01, 2012 - Weights are provided to calculate national estimates pertaining to 134 million ED visits in 2012. … 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

84. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2013
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2013.jsp
    January 01, 2013 - Weights are provided to calculate national estimates pertaining to 135 million ED visits in 2013. … 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

85. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2009.pdf
    January 01, 2009 - Weights are provided to calculate national estimates pertaining to almost 130 million ED visits in 2009 … 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 … Examples of the use of SAS, SUDAAN, and Stata to calculate NIS variances are presented in the special

86. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/neds/NEDS2011Introduction01142014.pdf
    November 01, 2015 - Weights are provided to calculate national estimates pertaining to 131 million ED visits in 2011. … 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

87. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/neds/NEDS2009Introductionv3.pdf
    September 01, 2011 - Weights are provided to calculate national estimates pertaining to almost 130 million ED visits in 2009 … Variance Calculations It may be important for researchers to calculate a measure of precision for some … 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 … Examples of the use of SAS, SUDAAN, and Stata to calculate NIS variances are presented in the special

88. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/neds/NEDS2010Introductionv3.pdf
    November 01, 2015 - Weights are provided to calculate national estimates pertaining to almost 130 million ED visits in 2010 … 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

89. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2017
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2017.jsp
    January 01, 2017 - Weights are provided to calculate national estimates totaling 10.6 million ambulatory surgery encounters … To accurately calculate variances from the NASS, appropriate statistical software and techniques must … However, it may be desirable to calculate variances using formulas specifically developed for certain … Examples of the use of SAS, SUDAAN, and Stata to calculate NIS variances are presented in the special … For a helpful review of programs to calculate statistics from survey data, visit the following website

90. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.pdf
    January 01, 2016 - Weights are provided to calculate national estimates totaling 10.6 million ambulatory surgery encounters … To accurately calculate variances from the NASS, 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 … Examples of the use of SAS, SUDAAN, and Stata to calculate NIS variances are presented in the special

91. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/2017_NASS_Introduction.pdf
    January 01, 2017 - Weights are provided to calculate national estimates totaling 10.6 million ambulatory surgery encounters … To accurately calculate variances from the NASS, 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 … Examples of the use of SAS, SUDAAN, and Stata to calculate NIS variances are presented in the special

92. Introduction to the NIS (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2022.pdf
    November 01, 2024 - ) • Because the NIS is a stratified sample, proper statistical techniques must be used to calculate … 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 … Examples of the use of SAS and Stata to calculate NIS variances are presented in the special report … For an excellent review of programs to calculate statistics from survey data, visit the following website

93. NIS Related Reports
    hcup-us.ahrq.gov/db/nation/nis/nisrelatedreports.jsp
    February 01, 2025 - estimates are calculated correctly ( PDF file, 296 KB) Correction to 1988-2000 Instruction on How to Calculate

94. Healthcare Cost and Utilization Project (HCUP) NEDS Notes
    hcup-us.ahrq.gov/db/vars/age/nedsnote.jsp
    May 01, 2015 - If the data source does not provide the necessary dates to calculate age or the reported age at admission

95. Methods for Calculating Patient Travel Distance to Hospital in HCUP Data
    hcup-us.ahrq.gov/reports/methods/MS2021-02-Distance-to-Hospital.jsp
    May 26, 2021 - HCUP Methods Series Methods for Calculating Patient Travel Distance to Hospital in HCUP Data   Report #2021-02   Contact Information: Healthcare Cost and Utilization Project (HCUP) Agency for Healthcare Research and Quality 5600 Fishers Lane Room 07W17B Mail Stop 7W25B Rockville, …

96. HCUP Cost-to-Charge Ratio Methodologies (pdf file)
    hcup-us.ahrq.gov/reports/methods/MS2021-05-CCR-Methodologies.pdf
    December 17, 2021 - The Emergency Services Group is used to calculate the emergency department CCR. … Second, the proportion of charges attributed to inpatient stays is used to calculate costs, and this

97. Microsoft Word - Cover.doc (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/APS-DRGsV20WeightsManual.pdf
    January 06, 2025 - CALCULATE AND APPLY TRIMS. … CALCULATE RELATIVE WEIGHTS. … To calculate an expected charge (expected LOS, or expected mortality) for a given discharge record,

98. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2021
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2021.jsp
    January 01, 2021 - Because the NIS is a stratified sample, proper statistical techniques must be used to calculate … Variance Calculations It may be important for researchers to calculate a measure of precision … To accurately calculate variances from the NIS, you must use appropriate statistical software and … However, it may be desirable to calculate variances using formulas specifically developed for some … In addition, several statistical analysis programs have been developed to specifically calculate

99. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2020
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2020.jsp
    January 01, 2020 - Because the NIS is a stratified sample, proper statistical techniques must be used to calculate standard … Return to Introduction Variance Calculations It may be important for researchers to calculate … Several computer programs are listed below that calculate statistics and their variances from sample … Examples of the use of SAS and Stata to calculate NIS variances are presented in the special report, … The NIS database includes a Hospital File with data elements required by these programs to calculate

100. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2012
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2012.jsp
     January 01, 2012 - Weights are provided to calculate national estimates. … Weights are provided to calculate national estimates. … Discharge–level weights to calculate national estimates for discharges. … 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 NIS variances are presented in the special