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AHRQ's Mission

The purpose of the Agency for Healthcare Research and Quality is to enhance the quality, appropriateness, and effectiveness of health services, and access to such services through the establishment of a broad base of scientific research and through the promotion of improvements in clinical and health system practices, including the prevention of diseases and other health conditions.

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Total Results: 1,005 records

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  1. THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2014

    hcup-us.ahrq.gov/db/nation/nrd/NRD_Introduction_2010-2014.jsp
    January 01, 2014 - Small and large metropolitan areas are combined or micropolitan and rural areas are combined. … Urban includes large and small metropolitan areas with all other areas categorized as rural. … in metro areas of 250,000-999,999 population, (4) Counties in metro areas of 50,000-249,999 population … with at least 1 million residents, (2) small metropolitan areas with less than 1 million residents, … (3) micropolitan areas, (4) not metropolitan or micropolitan, (8) metropolitan, collapsed category of

  2. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2013.pdf
    January 01, 2013 - Small and large metropolitan areas are combined or micropolitan and rural areas combined. … Urban includes large and small metropolitan areas with all other areas categorized as rural. … in metro areas of 250,000–999,999 population, (4) Counties in metro areas of 50,000–249,999 population … with at least 1 million residents, (2) small metropolitan areas with less than 1 million residents … , (3) micropolitan areas, (4) not metropolitan or micropolitan, (8) metropolitan, collapsed category

  3. Inpatient Stays Involving Mental and Substance Use Disorders, 2016 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb249-Mental-Substance-Use-Disorder-Hospital-Stays-2016.pdf
    January 01, 2016 - Whereas the rate of stays with a principal MSUD was similar in rural and urban areas (683 and 709 per … population, respectively), the rate of stays with a secondary MSUD was higher in rural than in urban areas … rural according to the following: Urban: • Large Central Metropolitan: includes metropolitan areas … with 1 million or more residents • Large Fringe Metropolitan: includes counties of metropolitan areas … with 1 million or more residents • Medium and Small Metropolitan: includes areas with 50,000 to

  4. Trends and Disparities in Delivery Hospitalizations Involving Severe Maternal Morbidity, 2006-2015 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb243-Severe-Maternal-Morbidity-Delivery-Trends-Disparities.pdf
    February 01, 2018 - increased (from 177.7 in quartile 1 to 122.2 in quartile 4) and were higher in large metropolitan areas … (154.0) compared with other areas (140 or less) … broader categories that differentiate between large metropolitan counties (include one or more urbanized areas … with at least 1 million residents), small metropolitan counties (include one or more urbanized areas … Quality and Disparities Report (QDR) measures and tracks trends in quality and disparities in seven key areas

  5. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/neds/NEDS2013Introduction.pdf
    December 04, 2015 -  Level IV/V centers provide trauma support in remote areas in which no higher level of care is … with at least one million residents  Small metropolitan area – areas with less than one million … Because there are very few teaching hospitals in micropolitan and rural areas, teaching status was only … used to stratify EDs in metropolitan areas. … with at least 1 million residents, (2) small metropolitan areas with less than 1 million residents,

  6. THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2019

    hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2019.jsp
    January 01, 2019 - Small and large metropolitan areas were combined or micropolitan and rural areas were combined. … Urban includes large and small metropolitan areas with all other areas categorized as rural. … in metro areas of 250,000-999,999 population, (4) Counties in metro areas of 50,000-249,999 population … with at least 1 million residents, (2) small metropolitan areas with less than 1 million residents, … (3) micropolitan areas, (4) not metropolitan or micropolitan, (8) metropolitan, collapsed category of

  7. Statistical Brief #10

    hcup-us.ahrq.gov/reports/statbriefs/sb10.jsp
    July 10, 2006 - Higher rates of “preventable hospitalizations” identify areas where potential improvements in the healthcare … Therefore, differences in preventable hospitalization rates may be used to identify areas that require

  8. HCUP-3 Nationwide Inpatient Sample for 1994: Principal Diagnoses

    hcup-us.ahrq.gov/reports/natstats/94dcchpr.htm
    November 01, 1998 - ) Phone: 866-290-HCUP (4287) toll-free E-mail: hcup@ahrq.gov Table of Contents [Note: Subject areas … ] DCCHPR categories Subject areas

  9. HCUP-3 Nationwide Inpatient Sample for 1994: Principal Procedures

    hcup-us.ahrq.gov/reports/natstats/94pcchpr.htm
    November 01, 1998 - Phone: 866-290-HCUP (4287) toll-free E-mail: hcup@ahrq.gov Table of Contents [Note: Subject areas … Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM)] PCCHPR categories Subject areas

  10. Statistics From the HCUP-3 Nationwide Inpatient Sample for 1993: Principal Diagnoses

    hcup-us.ahrq.gov/reports/natstats/93dcchp.htm
    March 10, 2016 - Phone: 866-290-HCUP (4287) toll-free E-mail: hcup@ahrq.gov Table of Contents [Note: Subject areas … CM)] DCCHPR categories Subject areas

  11. Statistics From the HCUP-3 Nationwide Inpatient Sample for 1993: Principal Procedures

    hcup-us.ahrq.gov/reports/natstats/93pcchp.htm
    November 01, 1998 - Phone: 866-290-HCUP (4287) toll-free E-mail: hcup@ahrq.gov Table of Contents [Note: Subject areas … Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM)] PCCHPR categories Subject areas

  12. HCUP Overview Course - Accessible Version

    hcup-us.ahrq.gov/HCUP_Overview/HCUP_Overview/index508.jsp
    October 01, 2022 - that requires complete enumeration of ambulatory surgery in hospital-owned facilities within market areas … well suited for research that requires complete enumeration of hospitals and discharges within market areas … utilization, including quality of emergency care, differences in use of ED services in rural and urban areas … Quality and Disparities Report Assesses the performance of our healthcare system and identifies areas

  13. Nisvariables1988-2013Forhcup-Us (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NISvariables1988-2013forHCUP-US.pdf
    August 13, 2015 - six- category urban-rural classification scheme for U.S. counties: (1) "Central" counties of metro areas … of >=1 million population, (2) "Fringe" counties of metro areas of >=1 million population, (3) Counties … in metro areas of 250,000-999,999 population, (4) Counties in metro areas of 50,000-249,999 population

  14. Hcupsummarytrendtables Methods (xls file)

    hcup-us.ahrq.gov/reports/trendtables/HCUPSummaryTrendTables_Methods.xlsx
    December 01, 2022 - HCUP HCUP Summary Trend Tables (Dated December 2022) Source: Agency for Healthcare Research and Quality (AHRQ), Healthcare Cost and Utilization Project (HCUP), State Inpatient Databases (SID), State Emergency Department Databases (SEDD), National Inpatient Sample (NIS), and Nationwide Emergency Department Sample (NED…

  15. HEALTHCARE COST AND UTILIZATION PROJECT (HCUP) E CODE EVALUATION (pdf file)

    hcup-us.ahrq.gov/reports/methods/2013_02.pdf
    January 01, 2013 - HEALTHCARE COST AND UTILIZATION PROJECT (HCUP) E CODE EVALUATION HCUP Methods Series kbr33831 Contact Information: Healthcare Cost and Utilization Project (HCUP) Agency for Healthcare Research and Quality 540 Gaither Road Rockville, MD 20850 http://www.hcup-us.ahrq.gov For Technical Assistance with…

  16. Overview of Operating Room Procedures During Inpatient Stays in U.S. Hospitals, 2018 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb281-Operating-Room-Procedures-During-Hospitalization-2018.pdf
    January 01, 2018 - Overview of Operating Room Procedures During Inpatient Stays in U.S. Hospitals, 2018 1 Overview of Operating Room Procedures During Inpatient Stays in U.S. Hospitals, 2018 STATISTICAL BRIEF #281 August 2021 Kimberly W. McDermott, Ph.D., and Lan Liang, Ph.D. Introduction More than one-quarter of inpatient…

  17. HCUP Overview Course - Accessible Version

    hcup-us.ahrq.gov/HCUP_Overview/HCUP_Overview/index508_2020.jsp
    January 01, 2020 - that requires complete enumeration of ambulatory surgery in hospital-owned facilities within market areas … well suited for research that requires complete enumeration of hospitals and discharges within market areas … utilization, including quality of emergency care, differences in use of ED services in rural and urban areas

  18. Conditions With the Largest Number of Adult Hospital Readmissions by Payer, 2011 - Statistical Brief #172

    hcup-us.ahrq.gov/reports/statbriefs/sb172-Conditions-Readmissions-Payer.jsp
    April 01, 2014 - Two criteria for evaluating potential areas of impact include volume and costs. … Reduction Program has selected acute myocardial infarction, heart failure, and pneumonia as target areas

  19. Seddbrochure 050218 (pdf file)

    hcup-us.ahrq.gov/news/exhibit_booth/SEDDBrochure_050218.pdf
    May 16, 2018 - What are the SEDD? The State Emergency Department Databases (SEDD) are part of the family of databases and software tools developed for the Healthcare Cost and Utilization Project (HCUP). The SEDD are a set of longitudinal State-specific emergency department databases included in the HCUP family. The SEDD capture disch…

  20. Healthcare Cost and Utilization Project (HCUP) NIS Notes

    hcup-us.ahrq.gov/db/vars/hfipsstco/nisnote.jsp
    September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
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