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141. Healthcare Cost and Utilization Project (HCUP) NIS Notes
     hcup-us.ahrq.gov/db/vars/adaywk/nisnote.jsp
     September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…

142. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2019
     hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2019.jsp
     January 01, 2019 - Weights are provided to calculate national estimates representing about 143 million ED visits in the … 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 … 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

143. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2018Introduction.pdf
     November 01, 2020 - Weights are provided to calculate national estimates representing about 143 million ED visits in the … 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 … Examples of the use of SAS, SUDAAN, and Stata to calculate NIS variances are presented in the special

144. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2019Introduction.pdf
     September 01, 2021 - Weights are provided to calculate national estimates representing about 143 million ED visits in the … 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 … Examples of the use of SAS, SUDAAN, and Stata to calculate NIS variances are presented in the special

145. Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later (pdf file)
     hcup-us.ahrq.gov/reports/methods/MS2003-02%20Addendum.pdf
     December 10, 2022 - Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later HCUP (12/10/22) Addendum Methods Series Report #2003-02 Addendum to Healthcare Cost and utilization Project (HCUP) Methods Series Report #2003-02 Calculating Nationwide Inpatient Sample (NIS) Variances for Data Years …

146. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2016.pdf
     January 01, 2016 - ) • 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 Web

147. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2006
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2006.jsp
     January 01, 2006 - The NIS is drawn from those States participating in HCUP and weights are provided to calculate national … Discharge-level weights to calculate national estimates for discharges. … 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, SUDAAN, and STATA to calculate NIS variances are presented in the special

148. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2009
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2009.jsp
     January 01, 2009 - 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 … Beginning in 1998, we calculate discharges as the sum of hospital admissions (AHA data element ADMH)

149. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2011
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.jsp
     January 01, 2011 - 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 … Beginning in 1998, we calculate discharges as the sum of hospital admissions (AHA data element ADMH)

150. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2010
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2010.jsp
     January 01, 2010 - 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 … Beginning in 1998, we calculate discharges as the sum of hospital admissions (AHA data element ADMH)

151. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2013Introduction.pdf
     December 04, 2015 - 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

152. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2014
     hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2014.jsp
     January 01, 2014 - Weights are provided to calculate national estimates pertaining to 138 million ED visits in 2014. … 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

153. INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2006
     hcup-us.ahrq.gov/db/nation/kid/kid_2006_introduction.jsp
     January 01, 2006 - Discharge-level weights to calculate national estimates for discharges. … Variance Calculations It may be important for researchers to calculate a measure of precision for some … Examples of the use of SAS, SUDAAN, and STATA to calculate KID variances are presented in the special … 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.

154. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2012.pdf
     November 01, 2015 - Weights are provided to calculate national estimates. … Weights are provided to calculate national estimates. …  Discharge-level weights to calculate national estimates for discharges. … However, the same statistical techniques should be used to calculate standard errors and confidence … However, the same statistical techniques should be used to calculate standard errors and confidence

155. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2015
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2015.jsp
     January 01, 2015 - 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 a … 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

156. Introduction To The HCUP Nationwide Ambulatory Surgery Sample (pdf file)
     hcup-us.ahrq.gov/db/nation/nass/NASSIntroduction2021.pdf
     April 01, 2024 - 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 … For a helpful review of programs to calculate statistics from survey data, visit the following website

157. Introduction to the NASS, 2022 (pdf file)
     hcup-us.ahrq.gov/db/nation/nass/NASSIntroduction2022.pdf
     December 01, 2024 - 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 … For a helpful review of programs to calculate statistics from survey data, visit the following website

158. INTRODUCTION TO THE HCUP NATIONWIDE INPATIENT SAMPLE (NIS), 2008
     hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2008.jsp
     January 01, 2008 - Weights are provided to calculate national estimates. … Discharge-level weights to calculate national estimates for discharges. … 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, SUDAAN, and STATA to calculate NIS variances are presented in the special

159. INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2009
     hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp
     January 01, 2009 - Discharge-level weights to calculate national estimates for discharges. … Examples of the use of SAS, SUDAAN, and STATA to calculate KID variances are presented in the special … The KID database includes a Hospital file with data elements required to calculate finite population … 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.

160. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nass/2020_NASS_Introduction.pdf
     January 01, 2020 - Weights are provided to calculate national estimates totaling 10.3 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