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Showing results for "sampling".

361. Statistical Brief #98: Trends in Hospital Risk-Adjusted Mortality for Select Diagnoses by Patient Subgroups, 2000-2007 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb98.pdf
     October 01, 2010 - account the clustering of patients within hospitals and the hospital stratification aspects of the sampling … It is drawn from a sampling frame that contains hospitals comprising about 95 percent of all discharges

362. Statistical Brief #68: Hospitalizations for Brain Cancer, 2006 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb68.pdf
     March 01, 2009 - by the National Hospital Discharge Survey (NHDS), a survey of hospital stays based on a different sampling … It is drawn from a sampling frame that contains hospitals comprising about 90 percent of all discharges

363. Microsoft Word - CentralDistributor_NIS88-97binderV5.doc (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/NIS88-92Overview_122104.pdf
     November 01, 2015 - The NIS is a stratified probability sample of hospitals in the frame, with sampling probabilities proportional

364. HCUP Infographics
     hcup-us.ahrq.gov/reports/infographics.jsp
     October 01, 2022 - HCUP Infographics An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …

365. Hospitalizations Involving Mental and Substance Use Disorders Among Adults, 2012 #191
     hcup-us.ahrq.gov/reports/statbriefs/sb191-Hospitalization-Mental-Substance-Use-Disorders-2012.jsp
     June 01, 2015 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … 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

366. Most Common Diagnoses and Procedures in U.S. Community Hospitals, 1996
     hcup-us.ahrq.gov/reports/natstats/commdx/commdx.htm
     October 01, 1999 - The sample is a stratified probability sample of hospitals in the frame, with sampling probabilities … Hospitals from HCUP participating States (the sampling frame) are selected to represent these strata

367. HCUPanalysisSepsisTrendsUS (pdf file)
     hcup-us.ahrq.gov/reports/ataglance/HCUPanalysisSepsisTrendsUS.pdf
     November 10, 2020 - The 2018 NIS sampling frame includes data from the HCUP State Inpatient Databases (SID) from 47 States … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the

368. Overview of Hospital Stays for Children in the United States, 2012 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb187-Hospital-Stays-Children-2012.pdf
     January 01, 2012 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges … 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

369. HCUP Statistical Brief #29: Adverse Drug Events in U.S. Hospitals, 2004 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb29.pdf
     April 01, 2007 - Because the NIS is based on a sampling frame of statewide data-collection organizations, we examined … It is drawn from a sampling frame that contains hospitals comprising 88 percent of all discharges in

370. Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the Tenth (2012) NHQR and NHDR (pdf file)
     hcup-us.ahrq.gov/reports/methods/2012-02.pdf
     January 01, 2012 - There is no sampling error associated with Claritas census population counts; therefore, appropriate … Preparing the Disparities Analysis File The sampling and weighting strategy used for the disparities … The sampling strata were defined based on five hospital characteristics: geographic region, hospital … • Hospitals were excluded from the sampling frame if the coding of patient race was suspect (i.e … For population counts based on Claritas data, there is no sampling error.

371. HCUP National Estimates Tutorial - Accessible Version
     hcup-us.ahrq.gov/tech_assist/nationalestimates/508_course/508course_2023.jsp
     January 01, 2023 - Available since data year 1988, the NIS sampling frame has grown from including data from 8 HCUP Partners … Generally available every 3 years, the KID sampling frame has grown from including data from 22 HCUP … Changes to the NASS Sampling Design Over Time Changes have occurred to the NASS design since its initial

372. HCUP_methods_series_cover.ai (pdf file)
     hcup-us.ahrq.gov/reports/methods/2003_04.pdf
     January 01, 2003 - Standard errors were calculated for estimates from the 16 State SID; there is no sampling error associated … For Claritas population counts, there is no sampling error. … through the Statistical Analysis System (SAS) procedure called PROC SURVEYMEANS so that the HCUP-NIS sampling … are excluded from the 2000 NIS but included in the 1994 and 1997 NIS because of the change in the sampling … For population counts based on the US census, there is no sampling error.

373. HEALTHCARE COST AND UTILIZATION PROJECT (HCUP) (pdf file)
     hcup-us.ahrq.gov/moa.pdf
     March 28, 2022 - The sampling strategy for the NEDS approximates a 20 percent stratified sample of U.S. community hospitals

374. HCUP-US Methods Series
     hcup-us.ahrq.gov/reports/methods/methods.jsp
     February 01, 2025 - Healthcare Quality Report (PDF file, 490 KB)   2002 Report #2002-01 Changes in the NIS Sampling

375. Racial and Ethnic Disparities in Hospitals Patient Safety Events, 2005 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb53.pdf
     June 01, 2008 - Sampling stratifiers include hospital region, bed size, ownership, teaching status, and urban/rural … account the clustering of patients within hospitals and the hospital stratification aspects of the sampling

376. Coronary Artery Disease, Acute Myocardial Infarction, and Ischemic Stroke Rates Among Inpatient Stays, 2001-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb241-Coronary-Artery-AMI-Stroke-Hospital-Stays-2001-2014.pdf
     January 01, 2014 - from the HCUP State Inpatient Databases (SID), 2001–2014, nationally weighted analysis files using a sampling … weighting strategy similar to that used in the 2011 Nationwide Inpatient Sample, but with a higher sampling

377. Statistical Brief #29
     hcup-us.ahrq.gov/reports/statbriefs/sb29.jsp
     April 01, 2007 - Because the NIS is based on a sampling frame of statewide data-collection organizations, we examined … It is drawn from a sampling frame that contains hospitals comprising 88 percent of all discharges in

378. Microsoft Word - QDR 2014 HCUP Short Methods Report_041015_FINAL.docx (pdf file)
     hcup-us.ahrq.gov/reports/methods/2015_02.pdf
     January 01, 2015 - There is no sampling error associated with Nielsen census population counts; therefore, appropriate … Preparing the National Disparities Analysis Files The sampling and weighting strategy used for the … The sampling strata were defined based on five hospital characteristics: geographic region, hospital …  Hospitals were excluded from the sampling frame if the coding of patient race was suspect (i.e … For population counts based on Nielsen data, there is no sampling error.

379. Hcupnet Readmissions Methodology (pdf file)
     hcup-us.ahrq.gov/tech_assist/data_query/HCUPnet_Readmissions_Methodology.pdf
     November 01, 2012 - Over time, the sampling frame for the NRD will change; thus, the number of States contributing to the

380. Delivery Hospitalizations Involving Preeclampsia and Eclampsia, 2005-2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb222-Preeclampsia-Eclampsia-Delivery-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 25 for the NIS has changed; thus, the number of States contributing … 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