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Total Results: 712 records

Showing results for "design sample size".

241. Healthcare Cost and Utilization Project (HCUP) NRD Notes
     hcup-us.ahrq.gov/db/vars/nrd_stratum/nrdnote.jsp
     August 01, 2015 - Healthcare Cost and Utilization Project (HCUP) NRD Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …

242. Differences in Hospital Stays With Operating Room Procedures by Patient Race and Ethnicity, 2019 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb297-OR-procedures-racial-disparities-2019.pdf
     January 01, 2019 - Because of the large sample size of the NIS data, small differences can be statistically significant … The unweighted sample size for the 2019 NIS is 7,083,805 (weighted, this represents 35,419,023 inpatient … For a detailed description of HCUP and more information on the design of the National Inpatient Sample

243. Overview of Hospital Stays for Children in the United States, 2012 #187
     hcup-us.ahrq.gov/reports/statbriefs/sb187-Hospital-Stays-Children-2012.jsp
     December 01, 2014 - The KID's large sample size enables analyses of rare conditions (such as congenital anomalies) and uncommon … The redesign incorporates two critical changes: Revisions to the sample design—the … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … Hospitals, 2011 For a detailed description of HCUP and more information on the design of the Kids

244. Geographic Variation in Hospital Inpatient List Prices in the United States, 2013 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb209-Geographic-Variation-Hospital-Inpatient-Prices.pdf
     November 01, 2015 - The redesign incorporates two critical changes:  Revisions to the sample design—starting with … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analyses … Hospitals, 2011 For a detailed description of HCUP and more information on the design of the National

245. NRD Overview
     hcup-us.ahrq.gov/nrdoverview.jsp
     September 01, 2025 - Key features of the 2022 NRD include: A large sample size, which provides sufficient data for

246. Trends in Hospital Inpatient Stays in the United States, 2005-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb225-Inpatient-US-Stays-Trends.pdf
     December 01, 2016 - The redesign incorporates two critical changes: • Revisions to the sample design—starting with 2012 … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analyses … For a detailed description of HCUP and more information on the design of the National (Nationwide) Inpatient

247. Overview of Hospital Stays in the United States, 2012 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb180-Hospitalizations-United-States-2012.pdf
     January 01, 2012 - The redesign incorporates two critical changes: • Revisions to the sample design—the NIS is now … The new sampling strategy is expected to result in more precise estimates than did the previous NIS design … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … Hospitals, 2011 For a detailed description of HCUP and more information on the design of the National

248. Statistical Brief #108
     hcup-us.ahrq.gov/reports/statbriefs/sb108.jsp
     April 01, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

249. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2013.pdf
     January 01, 2013 - Methods Series Reports on Readmission Methodology ........................................ 12 SAMPLING DESIGN … users:  The Nationwide Readmissions Database Tutorial provides a description of the NRD database design … Other tutorials about the design or use of other HCUP databases also are available. … Variance estimates must take into account both the sampling design and the form of the statistic. … perform calculations for numerous statistics arising from the stratified, single-stage cluster sampling design

250. Sb223-Ambulatory-Inpatient-Surgeries-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb223-Ambulatory-Inpatient-Surgeries-2014.pdf
     January 01, 2014 - The redesign incorporates two critical changes: • Revisions to the sample design—starting with 2012 … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analysis … For a detailed description of HCUP and more information on the design of the National (Nationwide) Inpatient

251. Teen Hospital Stays for Childbirth, 2004-2013 #208
     hcup-us.ahrq.gov/reports/statbriefs/sb208-Teen-Childbirth-Hospital-Stays-Trends.jsp
     August 01, 2016 - The redesign incorporates two critical changes: Revisions to the sample design—starting … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analysis … Hospitals, 2011 For a detailed description of HCUP and more information on the design of

252. Teen Hospital Stays for Childbirth, 2004-2013 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb208-Teen-Childbirth-Hospital-Stays-Trends.pdf
     January 01, 2016 - The redesign incorporates two critical changes:  Revisions to the sample design—starting with … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in 21 sample design for 2012 necessitates recomputation of prior years' NIS data to … Hospitals, 2011 For a detailed description of HCUP and more information on the design of the National

253. THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2014
     hcup-us.ahrq.gov/db/nation/nrd/NRD_Introduction_2010-2014.jsp
     January 01, 2014 - users: The Nationwide Readmissions Database Tutorial provides a description of the NRD database design … Other tutorials about the design or use of other HCUP databases also are available. … Return to Introduction   SAMPLING DESIGN OF THE NRD The NRD was built to facilitate analyses … We knew from the National Inpatient Sample (NIS) design that the following hospital characteristics explained … Variance estimates must take into account both the sampling design and the form of the statistic.

254. Casestudy Qdranalysis04072017 (pdf file)
     hcup-us.ahrq.gov/datainnovations/CaseStudy_QDRanalysis04072017.pdf
     April 07, 2017 - If the CY estimate was unavailable because it had been suppressed because of small sample size or a … Because of suppressed CY estimates (due to small sample size or a relative standard error greater than

255. Opioid-Related and Stimulant-Related Adult Inpatient Stays, 2012-2018 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb271-Stimulant-Opioid-Hospitalizations-2012-2018.pdf
     January 01, 2018 - Because of the large sample size of the NIS and SID data, small differences can be statistically significant … The unweighted sample size for the 2012 NIS is 7,296,968 (weighted, this represents 36,484,846 inpatient … The unweighted sample size for the 2018 NIS is 7,105,498 (weighted, this represents 35,527,481 inpatient … http://www.hcup-us.ahrq.gov/ 17 For a detailed description of HCUP and more information on the design

256. Acute Renal Failure Hospitalizations, 2005-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb231-Acute-Renal-Failure-Hospitalizations.pdf
     December 01, 2016 - The redesign incorporates two critical changes: • Revisions to the sample design—starting with 2012 … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analyses … For a detailed description of HCUP and more information on the design of the National (Nationwide) Inpatient

257. Hcupnet Readmissions Methodology (pdf file)
     hcup-us.ahrq.gov/tech_assist/data_query/HCUPnet_Readmissions_Methodology.pdf
     November 01, 2012 - Methods Calculating Readmissions for HCUPnet This document provides details on the methods used to calculate readmissions for HCUPnet. The definition of readmissions used for this analysis follows the methods developed for measuring all-payer readmissions for the Partnership for Patients.1 Definition of Readmiss…

258. Trends in Observed Adult Inpatient Mortality for High-Volume Conditions, 2002-2012 #194
     hcup-us.ahrq.gov/reports/statbriefs/sb194-Inpatient-Mortality-High-Volume-Conditions.jsp
     July 01, 2015 - We did not use the 2012 NIS because the sampling design and universe definition was revised. … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analyses … Hospitals, 2011 For a detailed description of HCUP and more information on the design of the National

259. HCUP Statistical Brief #5: Hospitalizations for Women with Circulatory Disease, 2003 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb5.pdf
     May 05, 2006 - References For a detailed description of HCUP and more information on the design of the NIS and methods … Effective Clinical Practice 5(3):143–51, 2002 Design of the HCUP Nationwide Inpatient Sample, 2003

260. HCUP Statistical Brief #3: Hospitalizations Related to Pressure Sores, 2003 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb3.pdf
     April 01, 2006 - References For a detailed description of HCUP and more information on the design of the NIS and methods … Effective Clinical Practice 5(3):143–51, 2002 Design of the HCUP Nationwide Inpatient Sample, 2003