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Total Results: 1,768 records

Showing results for "sampling".

361. NIS File Specifications
     hcup-us.ahrq.gov/db/nation/nis/nisfilespecs.jsp
     November 01, 2024 - NIS File Specifications An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …

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. 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

364. NIS Summary Statistics
     hcup-us.ahrq.gov/db/nation/nis/nissummstats.jsp
     November 01, 2024 - The following links provide summary statistics for the National (Nationwide) Inpatient Sample (NIS). Summary Statistics include means on all numeric variables, frequency distributions, and univariates on continuous variables. Summary statistics are provided by year. Contents: 2022 NIS 2021 NIS 2020…

365. 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.

366. 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

367. 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

368. 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

369. 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

370. 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

371. 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

372. 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

373. Microsoft Word - 2009-02.doc (pdf file)
     hcup-us.ahrq.gov/reports/methods/2009_02.pdf
     January 01, 2009 - 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., more … The sampling and weighting strategy used for the disparities analysis file is similar to the method … There is no sampling error associated with Claritas census population counts; therefore, appropriate … For Claritas population counts, there is no sampling error.

374. 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

375. 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 …

376. 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

377. 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

378. Methods – Applying HCUP Quality Indicators (pdf file)
     hcup-us.ahrq.gov/reports/methods/2012_03.pdf
     January 01, 2012 - There is no sampling error associated with Nielsen 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 Nielsen data, there is no sampling error.

379. 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

380. 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