Results

Total Results: 1,925 records

Showing results for "sample".

161. HCUP Calculating Standard Errors - Accessible Version
     hcup-us.ahrq.gov/tech_assist/standarderrors/508/508course_2016.jsp
     January 01, 2016 - deviation of the sample divided by the square root of the sample size. … To review the sample designs, refer to the HCUP Sample Design Tutorial . … sample, similar to the NEDS. … The Nationwide Emergency Department Sample The NEDS is a stratified two-stage cluster sample. … of the hospitals in the sample, and thus take all of the hospitals, or clusters, in the sample into

162. MAINTAIN AND EXPAND (pdf file)
     hcup-us.ahrq.gov/db/nation/kid/reports/KID_2000_Design_Report.pdf
     January 01, 2000 - This report describes the 2000 KID sample design and summarizes the sample contents. … Sample Design Design Considerations The overall design objective was to select a sample of pediatric … resultant sample. … • “KID Sample Hospitals@ lists the hospitals selected for the KID. … In some instances, strata were collapsed for sample weight calculations.

163. Microsoft Word - CentralDistributor_NIS88-97binderV5.doc (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NIS88-92Overview_122104.pdf
     November 01, 2015 - Agency for Healthcare Research and Quality OVERVIEW OF THE HCUP NATIONWIDE INPATIENT SAMPLE … ................................................................... 2 HCUP NATIONWIDE INPATIENT SAMPLE … .................................................... 3 Correction to the 1993 Nationwide Inpatient Sample … OVERVIEW OF DATA PRODUCTS FROM THE NATIONWIDE INPATIENT SAMPLE (NIS) ............................... … The HCUP-3 Nationwide Inpatient Sample (NIS), Release 1, includes: 20% sample of U.S. community hospitals

164. MAINTAIN AND EXPAND (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
     January 01, 1998 - Sample Weights In prior versions of the NIS, sample weights were developed separately for hospital … Summary of Changes Sample Design The new sample design is similar to the previous design. … Sample Size We will continue to sample a number of hospitals equal to 20 percent of the universe … We drew a NIS sample using the new sample design. … Summary of Changes Sample Design Sample Weights Sample Design Longitudinal Component Comparison

165. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.pdf
     January 01, 2016 - • The HCUP Sample Design tutorial is designed to help users learn how to account for sample design … • Examine the strata with deficient ratios or sample sizes. … Computation of sample weights is straightforward. … universe to sample encounter volumes so that the sample volume is inflated to agree with the universe … NASS Target Universe, Sampling Frame, and Final Sample Characteristics, 2016 Sample Description

166. AHRQ releases Cost-to-Charge Ratio (CCR) Files for the Nationwide Emergency Department Sample (NEDS)(October 2021)
     hcup-us.ahrq.gov/news/announcements/ccr_neds2019.jsp
     October 01, 2021 - AHRQ releases Cost-to-Charge Ratio (CCR) Files for the Nationwide Emergency Department Sample (NEDS)( … AHRQ releases Cost-to-Charge Ratio (CCR) Files for the Nationwide Emergency Department Sample … Utilization Project (HCUP) Cost to Charge Ratio (CCR) Files for the Nationwide Emergency Department Sample … Internet Citation: AHRQ releases Cost-to-Charge Ratio (CCR) Files for the Nationwide Emergency Department Sample

167. MAINTAIN AND EXPAND (pdf file)
     hcup-us.ahrq.gov/reports/methods/1998ChangesintheNISRedesignFinal.pdf
     January 18, 2002 - Sample Weights In prior versions of the NIS, sample weights were developed separately for hospital … Summary of Changes Sample Design The new sample design is similar to the previous design. … Sample Size We will continue to sample a number of hospitals equal to 20 percent of the universe … We drew a NIS sample using the new sample design. … Summary of Changes Sample Design Sample Weights Sample Design Longitudinal Component Comparison

168. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nass/2017_NASS_Introduction.pdf
     January 01, 2017 - • The HCUP Sample Design tutorial is designed to help users learn how to account for sample design … On the basis of the set of NASS sample hospitals and universe totals, sample weights are computed that … Computation of sample weights is straightforward. … universe to sample encounter volumes so that the sample volume is inflated to agree with the universe … NASS Target Universe, Sampling Frame, and Final Sample Characteristics, 2017 Sample Description

169. Release of the 2018 Nationwide Emergency Department Sample (NEDS) (November 2020)
     hcup-us.ahrq.gov/news/announcements/neds_2018.jsp
     January 01, 2018 - Release of the 2018 Nationwide Emergency Department Sample (NEDS) (November 2020) … DATA QUERY TOOLS Release of the 2018 Nationwide Emergency Department Sample … for Healthcare Research and Quality (AHRQ) has released the 2018 Nationwide Emergency Department Sample … million ED visits in 36 States and the District of Columbia – approximating a 20-percent stratified sample … Internet Citation: Release of the 2018 Nationwide Emergency Department Sample (NEDS) (November 2020)

170. Figure 4: Number of Hospitals in the 2006 Universe, Frame, and Sample for Frame States
     hcup-us.ahrq.gov/figures/nis_figure4_2008.jsp
     January 01, 2008 - Figure 4: Number of Hospitals in the 2006 Universe, Frame, and Sample for Frame States … Figure 4: Number of Hospitals in the 2006 Universe, Frame, and Sample for Frame States States … Hospitals in Universe Number of Hospitals in Frame (and percent of universe) Number of Hospitals in Sample

171. http://172.16.18.243/db/nation/nis/nishospnotes.jsp (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NIS_1999_HOSPITAL.pdf
     January 01, 1999 - /172.16.18.243/db/nation/nis/nishospnotes.jsp Description of Data Elements Nationwide Inpatient Sample … Please refer to the Overview of the Nationwide Inpatient Sample for specific information on which states … and hospital weights, see the year-specific report on the Design of the HCUP Nationwide Inpatient Sample … discharges in STRATUM 6(n) Number of sample discharges in STRATUM State Specific Notes 22 … S_HOSP_U - Number of sample hospitals in STRATUM S_HOSP_U contains the number of sampled hospitals

172. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2013.pdf
     November 01, 2015 - is now a sample of discharge records from all HCUP-participating hospitals, rather than a sample of … HCUP National Inpatient Sample (NIS) ABSTRACT The National Inpatient Sample (NIS) is part of the … is now a sample of discharge records from all HCUP-participating hospitals, rather than a sample of … Rather than first drawing a sample of hospitals and then keeping all discharges from that sample, in … Switching to the systematic sample design from the present NIS sample design7 2.

173. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2012.pdf
     November 01, 2015 - is now a sample of discharge records from all HCUP-participating hospitals, rather than a sample of … HCUP National Inpatient Sample (NIS) ABSTRACT The National Inpatient Sample (NIS) is part of the … is now a sample of discharge records from all HCUP-participating hospitals, rather than a sample of … Rather than first drawing a sample of hospitals and then keeping all discharges from that sample, in … Switching to the systematic sample design from the present NIS sample design7 2.

174. Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States
     hcup-us.ahrq.gov/figures/4_02.jsp
     Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States Figure … 4 : Number of Hospitals in the 2002 Universe, Frame, and Sample for Frame States States Number … of Hospitals in Universe Number of Hospitals in Frame Number of Hospitals in Sample Percentage

175. Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States
     hcup-us.ahrq.gov/figures/4_01.jsp
     Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States Figure … 4 : Number of Hospitals in the 2001 Universe, Frame, and Sample for Frame States States Number … of Hospitals in Universe Number of Hospitals in Frame Number of Hospitals in Sample Percentage

176. Figure 4 : Number of Hospitals in the 2005 Universe, Frame, and Sample for Frame States
     hcup-us.ahrq.gov/figures/4_05.jsp
     Figure 4 : Number of Hospitals in the 2005 Universe, Frame, and Sample for Frame States Figure … 4 : Number of Hospitals in the 2005 Universe, Frame, and Sample for Frame States States Number … Hospitals in Universe Number of Hospitals in Frame (and percent of universe) Number of Hospitals in Sample

177. Figure 4 : Number of Hospitals in the 2004 Universe, Frame, and Sample for Frame States
     hcup-us.ahrq.gov/figures/4_04.jsp
     Figure 4 : Number of Hospitals in the 2004 Universe, Frame, and Sample for Frame States Figure … 4 : Number of Hospitals in the 2004 Universe, Frame, and Sample for Frame States States Number … Hospitals in Universe Number of Hospitals in Frame (and percent of universe) Number of Hospitals in Sample

178. Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States
     hcup-us.ahrq.gov/figures/4_03.jsp
     Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States Figure … 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States States Number … of Hospitals in Universe Number of Hospitals in Frame Number of Hospitals in Sample Percentage

179. HCUP_methods_series_cover.ai (pdf file)
     hcup-us.ahrq.gov/reports/methods/TrendReport2005_1.pdf
     March 19, 2004 - Using the HCUP Nationwide Inpatient Sample to Estimate Trends. … 6,156,188 Total sample discharges* 1992 No states added 11 40 856 6,008,001 6,195,744 Total sample … Consequently, the effect on sample estimates will be small. … Even in statistical routines that fail to account for the sample design, the sample weights can usually … Instead, the sample design must be modeled.

180. Introduction to the NIS (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2022.pdf
     November 01, 2024 - HCUP National Inpatient Sample (NIS) ABSTRACT The National Inpatient Sample (NIS) is part of the … is now a sample of discharge records from all HCUP-participating hospitals, rather than a sample of … Rather than first drawing a sample of hospitals and then keeping all discharges from that sample, in … Rather than first drawing a sample of hospitals and then keeping all discharges from that sample, in … The new systematic sample is a self-weighted sample design similar to simple random sampling, but it