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Showing results for "sampling".

  1. 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

  2. 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

  3. Characteristics of Inpatient Stays Involving Hepatitis C, 2005-2014 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb232-Hepatitis-C-Hospital-Stays-Trends.pdf
    June 19, 2017 - 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

  4. Characteristics of Inpatient Stays Involving Hepatitis C, 2005-2014 #232

    hcup-us.ahrq.gov/reports/statbriefs/sb232-Hepatitis-C-Hospital-Stays-Trends.jsp
    December 01, 2017 - 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

  5. Delivery Hospitalizations Involving Preeclampsia and Eclampsia, 2005-2014 #222

    hcup-us.ahrq.gov/reports/statbriefs/sb222-Preeclampsia-Eclampsia-Delivery-Trends.jsp
    April 01, 2017 - 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

  6. Geographic Variation in Inpatient Stays for Five Leading Mental Disorders, 2016–2018 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb288-Mental-Disorder-Hospitalizations-by-Region-2016-2018.pdf
    January 01, 2018 - It is drawn from a sampling frame that contains hospitals comprising more than 96 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the

  7. Geographic Variation in Inpatient Stays for Five Leading Substance Use Disorders, 2016–2018 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb289-Substance-Use-Disorder-Hospitalizations-by-Region-2016-2018.pdf
    January 01, 2018 - It is drawn from a sampling frame that contains hospitals comprising more than 96 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the

  8. Microsoft Word - CentralDistributor_NIS88-97binderV5.doc (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS94_Overview_122104.pdf
    November 01, 2015 - It is based on a stratified probability sample of hospitals, with sampling probabilities proportional

  9. Microsoft Word - CentralDistributor_NIS1995_ OverviewV5.doc (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS95_%20Overview_122104.pdf
    November 01, 2015 - It is based on a stratified probability sample of hospitals, with sampling probabilities proportional

  10. Microsoft Word - CentralDistributor_NIS88-97binderV5.doc (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS93_Overview_1222104.pdf
    November 01, 2015 - It is based on a stratified probability sample of hospitals, with sampling probabilities proportional

  11. Differences in Hospital Stays With Operating Room Procedures by Patient Race and Ethnicity, 2019 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb297-OR-procedures-racial-disparities-2019.pdf
    January 01, 2019 - It is drawn from a sampling frame that contains hospitals comprising more than 96 percent of all discharges … Over time, the sampling frame for the NIS has changed; thus, the number of States contributing to the

  12. Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later (pdf file)

    hcup-us.ahrq.gov/reports/methods/MS2003-02%20Addendum.pdf
    December 10, 2022 - Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later HCUP (12/10/22) Addendum Methods Series Report #2003-02 Addendum to Healthcare Cost and utilization Project (HCUP) Methods Series Report #2003-02 Calculating Nationwide Inpatient Sample (NIS) Variances for Data Years …

  13. Microsoft Word - CentralDistributor_NIS88-97binderV5.doc (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS96_Overview_122104.pdf
    November 01, 2015 - It is based on a stratified probability sample of hospitals, with sampling probabilities proportional

  14. Statistical Brief #139: Emergency Department Visits and Hospital Admissions for Kidney Stone Diseases, 2009 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb139.pdf
    July 25, 2012 - It is drawn from a sampling frame that contains hospitals comprising about 95 percent of all discharges

  15. Trends in Operating Room Procedures in U.S. Hospitals, 2001—2011 - Statistical Brief #171

    hcup-us.ahrq.gov/reports/statbriefs/sb171-Operating-Room-Procedure-Trends.jsp
    March 01, 2014 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges

  16. Microsoft Word - CentralDistributor_NIS88-97binderV5.doc (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS97_Overview_122104.pdf
    September 01, 2002 - It is based on a stratified probability sample of hospitals, with sampling probabilities proportional

  17. Trends in Operating Room Procedures in U.S. Hospitals, 2001–2011 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb171-Operating-Room-Procedure-Trends.pdf
    September 01, 2013 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges

  18. Research Spotlights - Archives

    hcup-us.ahrq.gov/reports/spotlights_archive.jsp
    December 01, 2019 - Research Spotlights - Archives An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …

  19. Citations for HCUP Databases and Tools

    hcup-us.ahrq.gov/tech_assist/citations.jsp
    April 01, 2021 - Citations for HCUP Databases and Tools An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Up…

  20. Hospital Stays for Newborns, 2011 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb163.pdf
    August 01, 2013 - It is drawn from a sampling frame that contains hospitals comprising more than 95 percent of all discharges
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