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Showing results for "sampling".

201. KID Related Reports
     hcup-us.ahrq.gov/db/nation/kid/kidrelatedreports.jsp
     December 01, 2022 - file, 521 KB; HTML ) 2000 (PDF file, 696 KB) 1997 (PDF file, 123 KB) Changes in the NIS Sampling

202. THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2014
     hcup-us.ahrq.gov/db/nation/nrd/NRD_Introduction_2010-2014.jsp
     January 01, 2014 - DESIGN OF THE NRD Target Universe Sampling Frame Discharge Weights Post-Stratification for … Return to Introduction   SAMPLING DESIGN OF THE NRD The NRD was built to facilitate analyses … Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included making the NRD a sample of convenience. … Variance estimates must take into account both the sampling design and the form of the statistic.

203. Introduction To The HCUP Nationwide Readmission Database (NRD) 2021 (pdf file)
     hcup-us.ahrq.gov/db/nation/nrd/NRDIntroduction2021.pdf
     March 01, 2024 - 15 ICD-9-CM and ICD-10-CM/PCS Diagnosis and Procedure Codes ------------------------------- 15 SAMPLING … Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … Variance estimates must take into account both the sampling design and the form of the statistic.

204. 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. … It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under the

205. Summary (pdf file)
     hcup-us.ahrq.gov/reports/methods/KIDComp1997Final.pdf
     March 16, 2001 - So, no changes were made to the Illinois sampling frame due to this restriction. … These hospitals were excluded from the sampling frame, leaving 75 hospitals in the 1997 frame. 3 … However, the NIS sampling frame was constructed from the subset of universe hospitals that released … Statistics calculated from the NHDS do have sampling error. … Sampling Frame 22 states 50 states and the District of Columbia Sample Design By geographic region,

206. Kid 1997 Comparison (pdf file)
     hcup-us.ahrq.gov/db/nation/kid/reports/KID_1997_Comparison.pdf
     January 01, 1997 - So, no changes were made to the Illinois sampling frame due to this restriction. … These hospitals were excluded from the sampling frame, leaving 75 hospitals in the 1997 frame. … Statistics calculated from the NHDS do have sampling error. … The NHDS sampling frame includes very few specialty hospitals such as psychiatric, maternity, alcohol … Sampling Frame 22 states 50 states and the District of Columbia Sample Design By geographic region,

207. NIS Trend Weights
     hcup-us.ahrq.gov/db/nation/nis/trendwghts.jsp
     June 01, 2024 - The new sampling strategy is expected to result in more precise estimates than the previous NIS design … by reducing sampling error.

208. Trends in Hospital Inpatient Stays by Age and Payer, 2000-2015 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb235-Inpatient-Stays-Age-Payer-Trends.pdf
     December 01, 2016 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under

209. 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 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the … The new sampling strategy is expected to result in more precise estimates than those that resulted from … the previous NIS design by reducing sampling error: for many estimates, confidence intervals under

210. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2020.pdf
     January 01, 2020 - Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … These analyses demonstrated that there were differences between 8 Changes in the NIS Sampling and … Variance estimates must take into account both the sampling design and the form of the statistic.

211. THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2020
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2020.jsp
     January 01, 2020 - DESIGN OF THE NRD Target Universe Sampling Frame Discharge Weights Post-Stratification for … Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … Variance estimates must take into account both the sampling design and the form of the statistic.

212. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2019.pdf
     January 01, 2019 - Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … These analyses demonstrated that there were differences between 8 Changes in the NIS Sampling and … Variance estimates must take into account both the sampling design and the form of the statistic.

213. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2016.pdf
     January 01, 2016 - ICD-9-CM and ICD-10-CM/PCS Diagnosis and Procedure Codes ---------------------------------- 17 SAMPLING … Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … Variance estimates must take into account both the sampling design and the form of the statistic.

214. 2019 NASS Refinements
     hcup-us.ahrq.gov/db/nation/nass/nassrefinements2019.jsp
     October 18, 2021 - 2019 NASS Refinements   2019 NASS Refinements Several refinements were made to the NASS sampling

215. Healthcare Cost and Utilization Project (HCUP) NASS Notes
     hcup-us.ahrq.gov/db/vars/hosp_location/nassnote.jsp
     August 01, 2019 - For detailed information about the NIS sampling design, see the year-specific report on the Design of

216. Healthcare Cost and Utilization Project (HCUP) NASS Notes
     hcup-us.ahrq.gov/db/vars/hosp_teach/nassnote.jsp
     August 01, 2019 - For detailed information about the NIS sampling design, see the year-specific report on the Design of

217. THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2010-2017
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2017.jsp
     January 01, 2017 - DESIGN OF THE NRD Target Universe Sampling Frame Discharge Weights Post-Stratification for … Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … Variance estimates must take into account both the sampling design and the form of the statistic.

218. THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2010-2016
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2016.jsp
     January 01, 2016 - DESIGN OF THE NRD Target Universe Sampling Frame Discharge Weights Post-Stratification for … Sampling Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … Variance estimates must take into account both the sampling design and the form of the statistic.

219. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2014.pdf
     January 01, 2014 - ---------------------------------------------------------------------------------------------- 13 Sampling … Frame The sampling frame for the NRD was limited to discharges for patients treated at community … All of the discharges in the sampling frame were included, making the NRD a sample of convenience. … Discharge Weights This section explains the need for post-stratification for weighting the sampling … Variance estimates must take into account both the sampling design and the form of the statistic.

220. Statistical Brief #129: Rates of Obstetric Trauma, 2009 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb129.pdf
     April 01, 2012 - The sampling frame for the 2009 NIS is a sample of hospitals that comprises approximately 95 percent … Sampling stratifiers include hospital region, bed size, ownership, teaching status, and urban/rural … It is drawn from a sampling frame that contains hospitals comprising about 95 percent of all discharges