Results

Total Results: 8,648 records

Showing results for "sampling".

201. 2014-04 (pdf file)
     hcup-us.ahrq.gov/reports/methods/2014-04.pdf
     January 01, 2014 - Because the sampling frame for the NIS contains nearly the entire universe of discharges, in 2012 we … The 2011 sampling frame for the NIS included 46 States from the State Inpatient Databases (SID). … Within each stratum, hospitals are sampled at random from the sampling frame. … Thus, the sampling rate would not always be 20 percent within each stratum. … This systematic sampling is similar to stratified simple random sampling, but it has the potential to

202. 0129Reliability (pdf file)
     www.ahrq.gov/sites/default/files/wysiwyg/policymakers/chipra/factsheets/fullreports/0129reliability.pdf
     June 02, 2025 - Reliability = σ2 / (σ2 + V) where σ2 is the systematic variance between hospitals and V is the sampling

203. Checklist for Working with the KID
     hcup-us.ahrq.gov/db/nation/kid/kidchecklist.jsp
     November 01, 2024 - Return to top Research Design ⬜ Learn how to account for the KID sampling design. … Accounting for the sampling design is critical for accurate analyses. … The sampling design of the KID does not support State-level analyses. … researchers could estimate the number of discharges for each hospital as: sampled discharges / the sampling … For more information, review the "Sampling of Discharges" section of the Introduction to the KID on

204. Section 6-A, Reliability Formula (pdf file)
     www.ahrq.gov/sites/default/files/wysiwyg/policymakers/chipra/factsheets/fullreports/chipra-131-section-6-a-reliability-formula.pdf
     June 02, 2025 - Reliability = σ2 / (σ2 + V) where σ2 is the systematic variance between hospitals and V is the sampling

205. 2001 HCUP Nationwide Inpatient Sample (NIS) Comparison Report
     hcup-us.ahrq.gov/db/nation/nis/reports/2001niscomparisonrpt.jsp
     November 01, 2015 - The sampling frame consisted of all 50 states for the NHDS. … Table 1 indicates how the NIS sampling frame has grown. … No hospitals were dropped from the sampling frame. … NIS Sampling The overall sampling objective was to select a sample of hospitals that could be generalized … Sampling error exists in both the NHDS and the NIS.

206. Microsoft Word - Deliverable #94.10 - Final 2001 NIS Comparison Report 10-2. (pdf file)
     hcup-us.ahrq.gov/reports/methods/NIS_Comparison_Report_2001.pdf
     January 01, 2001 - • The sampling frame consisted of all 50 states for the NHDS. … Table 1 indicates how the NIS sampling frame has grown. … No hospitals were dropped from the sampling frame. … NIS Sampling The overall sampling objective was to select a sample of hospitals that could be generalized … Sampling error exists in both the NHDS and the NIS.

207. MAINTAIN AND EXPAND (pdf file)
     hcup-us.ahrq.gov/reports/methods/2000NISComparisonReportFinal.pdf
     February 28, 2003 - The first section describes the NIS and recent changes in the sampling strategy. … Table 1 describes the growth of the NIS sampling frame. … NIS Sampling The overall sampling objective was to select a sample of hospitals that could be generalized … Sampling error exists in both the NHDS and the NIS. … First, some differences exist in the sampling strategies used.

208. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/neds/NEDS2015Introduction.pdf
     December 01, 2017 - NEDS Target Universe, Sampling Frame, and Final Sample Characteristics, 2015 7 Table A.6. … Sampling Frame of the NEDS The sampling frame of the NEDS is limited to a subset of the universe: hospital-owned … The sampling design consisted of a stratified, single-stage cluster sample. … NEDS Target Universe, Sampling Frame, and Final Sample Characteristics, 2015 Table A.6. … NEDS Sampling Rates, 2015 Table A.7.

209. Methodology Report #28: Construction of Weights for the 2011 Medical Expenditure Panel Survey Insurance Component
     meps.ahrq.gov/data_files/publications/mr28/mr28.shtml
     October 01, 2013 - Because these establishments are selected with unequal probabilities, sampling weights are required … by the sampling weights of similar nonresponding units (Kish, 1965). … The sampling unit for governments is at the parent agency-level. … Prior to sampling, the cases on the frame are sorted by key characteristic variables. … Survey sampling . New York: John Wiley and Sons; 1965. Madow WG, Olkin I, Rubin DR.

210. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2019
     hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2019.jsp
     January 01, 2019 - DESIGN OF THE NEDS Universe of Hospital-Owned Emergency Departments Sampling Frame of the NEDS … Sampling Frame of the NEDS The sampling frame of the NEDS does not cover the entire target universe … Appendix A, Table A6 lists the sampling rates by region and stratum for the NEDS. … Variance estimates must account for both the sampling design and the form of the statistic. … The sampling design consisted of a stratified, single-stage cluster sample.

211. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2018
     hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2018.jsp
     January 01, 2018 - DESIGN OF THE NEDS Universe of Hospital-Owned Emergency Departments Sampling Frame of the NEDS … Sampling Frame of the NEDS The sampling frame of the NEDS does not cover the entire target universe … Appendix A, Table A6 lists the sampling rates by region and stratum for the NEDS. … Variance estimates must account for both the sampling design and the form of the statistic. … The sampling design consisted of a stratified, single-stage cluster sample.

212. Catheter Care and Maintenance Quiz Key | Agency for Healthcare Research and Quality
     www.ahrq.gov/hai/quality/tools/cauti-ltc/modules/implementation/education-bundles/indwelling-urinary-catheter-use/quiz-key.html
     March 01, 2017 - It is good practice to disinfect the drainage bag sampling port before obtaining a urine sample. … It is good practice to disinfect the drainage bag sampling port before obtaining urine samples.

213. Healthcare Cost and Utilization Project (HCUP) KID Description of Data Elements - Core Notes (pdf file)
     hcup-us.ahrq.gov/db/nation/kid/DataElements_KID_2003_HOSPITAL.pdf
     January 01, 2003 - For detailed information about the KID sampling design, see the year-specific report on the Design of … For detailed information about the KID sampling design, see the year-specific report on the Design of … For detailed information about the KID sampling design, see the year-specific report on the Design of … For detailed information about the KID sampling design, see the year-specific report on the Design of … For detailed information about the KID sampling design, see the year-specific report on the Design of

214. Microsoft Word - CaseforPOAIndicator_final_060806 _2_.doc (pdf file)
     hcup-us.ahrq.gov/reports/methods/2007_02.pdf
     January 01, 2007 - First, the sampling frame changed over time as more states made their data available to HCUP. … States Were Added to the Sampling Frame. … to the KID sampling frame, representation has increased. … Figure 2 displays the geographic distribution of states in the sampling frame over time. … This decrease is associated with the expanding sampling frame.

215. HCUP_methods_series_cover.ai (pdf file)
     hcup-us.ahrq.gov/reports/methods/2006_3.pdf
     January 01, 2006 - The KID sampling frame was subject to further restrictions. … • Three Ohio hospitals that prohibited disclosure were excluded from the KID sampling frame. … supplied to HCUP, that hospital was dropped from the KID sampling frame. … First, sampling error exists in both the NHDS and the KID. … Weights are not needed because the KID sample is drawn from all hospitals in the sampling frame.

216. THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2015
     hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2015.jsp
     January 01, 2015 - DESIGN OF THE NEDS Universe of Hospital-Owned Emergency Departments Sampling Frame of the NEDS … Sampling Frame of the NEDS The sampling frame of the NEDS is limited to a subset of the universe: … Appendix A, Table A.5 lists the final target universe and sampling frame for the NEDS. … Appendix A, Table A.6 lists the sampling rates by stratum for the NEDS. … The sampling design consisted of a stratified, single-stage cluster sample.

217. Introduction to Synthetic Healthcare Database for Research (pdf file)
     www.ahrq.gov/sites/default/files/wysiwyg/data/SyH-DR-Introduction-2023Dec.pdf
     December 01, 2023 - files available to public users and (2) information on data processing, including harmonization, sampling … A more detailed description of the sampling methods is available in the SyH-DR Sampling, Weighting, … A more detailed description of the methods used to create the weights is available in the SyH-DR Sampling … Using the Weights To Obtain Nationally Representative Estimates When accounting for sampling and weighting … The complete synthetization methodology is available on the SyH-DR Sampling, Weighting, and Synthetization

218. 2002 HCUP Nationwide Inpatient Sample (NIS) Comparison Report
     hcup-us.ahrq.gov/db/nation/nis/reports/2002niscomparisonrpt.jsp
     June 01, 2016 - Table 1 illustrates how the NIS sampling frame has grown. … No hospitals were dropped from the sampling frame. … Return to Contents NIS Sampling The overall sampling objective was to select a sample of hospitals … Sampling error exists in both the NHDS and the NIS. … Therefore, the comparison statistics have no associated sampling error.

219. 2003 HCUP Nationwide Inpatient Sample (NIS) Comparison Report
     hcup-us.ahrq.gov/db/nation/nis/reports/2003niscomparisonrpt.jsp
     May 01, 2016 - The sampling frame for the NIS is based on AHA Survey data. … The first section describes the NIS and changes in the sampling strategy that occurred in 1998. … Table 1 illustrates how the NIS sampling frame has grown. … Sampling error exists in both the NHDS and the NIS. … Therefore, the comparison statistics have no associated sampling error.

220. Microsoft Word - CaseforPOAIndicator_final_060806 _2_.doc (pdf file)
     hcup-us.ahrq.gov/reports/methods/2006_9.pdf
     January 01, 2006 - The sampling frame for the NIS is based on AHA Survey data. … Table 1 illustrates how the NIS sampling frame has grown. … NIS Sampling The overall sampling objective was to select a sample of hospitals that could be generalized … Sampling error exists in both the NHDS and the NIS. … Therefore, the comparison statistics have no associated sampling error.