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hcup-us.ahrq.gov/seddoverview.jsp
September 01, 2025 - , including:
Injury surveillance
Access to healthcare in a changing healthcare marketplace
Trends
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hcup-us.ahrq.gov/news/exhibit_booth/sedd_brochure.jsp
May 01, 2018 - State-level emergency department issues, including:
Injury surveillance
Access to care
Trends
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/data_improve_linkages.jsp
February 01, 2025 - (Developed by the Northwest grantee)
Trends in Unintentional Injury Mortality among AI/AN, Washington
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hcup-us.ahrq.gov/sasdoverview.jsp
September 01, 2025 - healthcare policy research on a variety of topics, including:
Analyses of ambulatory surgeries
Trends
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hcup-us.ahrq.gov/reports/statbriefs/sb259-Potentially-Preventable-Hospitalizations-2017.pdf
January 01, 2017 - Updated December 5,
2019. www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-
Reports … STATISTICAL BRIEF #259
http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports … Updated December 17, 2019. www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-
Reports … About the QDR
The National Healthcare Quality and Disparities Report (QDR) measures and tracks trends … Cohen, Ph.D., Director
Center for Financing, Access and Cost Trends
Agency for Healthcare Research
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hcup-us.ahrq.gov/reports/statbriefs/sb126.jsp
February 01, 2012 - Findings
Trends in male newborn circumcisions in U.S. hospitals
Between 1993 and 1999, the rate … Region, income, and patient location characteristics
Circumcision rates varied by region and the trends … Using the HCUP Nationwide Inpatient Sample to Estimate Trends . (Updated for 1988-2004). … Trends in in-hospital male circumcision—United States—1999-2010. … Trends in in-hospital male circumcision—United States—1999-2010.
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hcup-us.ahrq.gov/news/exhibit_booth/sasd_brochure.jsp
May 01, 2018 - State-level outpatient surgery issues, including:
Analyses of ambulatory surgeries
Trends
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hcup-us.ahrq.gov/db/nation/nis/2015HCUPNationalInpatientSample.pdf
September 28, 2022 - PCS coding, please refer to the following important resource:
• HCUP recommendations for reporting trends … calendar year 2015 data (which includes both ICD-9-CM and
ICD-10-CM/PCS codes), as well as reporting trends … also includes the following short reports with
new documents added periodically:
• Examination of trends
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hcup-us.ahrq.gov/db/nation/nass/nassarchive.jsp
December 01, 2024 - NASS Database Documentation Archive
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/reports/pubs_rpts.jsp
February 01, 2025 - Publications
An official website of the Department of Health & Human Services
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FAQs
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hcup-us.ahrq.gov/reports/statbriefs/sb192-Pediatric-Preventable-Hospitalizations-Asthma-Diabetes.jsp
June 01, 2015 - We examined trends in the rates of potentially preventable pediatric visits for asthma and diabetes per … Findings
Trends in potentially preventable pediatric hospital inpatient stays for asthma and diabetes … Figure 5 presents trends in the expected source of payment for asthma and diabetes potentially preventable … Annual Report on Health Care for Children and Youth in the United States: Focus on Trends in Hospital … Annual Report on Health Care for Children and Youth in the United States: Trends in Racial/Ethnic, Income
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hcup-us.ahrq.gov/tech_assist/index_mno.jsp
August 01, 2020 - HCUP-US Index Page
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2010.jsp
January 01, 2010 - (Analyses of time trends are recommended from 1993 forward. … (Analyses of time trends are recommended from 1993 forward. … Studying Trends
When studying trends over time using the NIS, be aware that the sampling frame for … the alternate weights and other recommendations for trends analysis. … The NIS-Trends weights account for this change in NIS sampling.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2009.jsp
January 01, 2009 - (Analyses of time trends are recommended from 1993 forward. … (Analyses of time trends are recommended from 1993 forward. … Studying Trends
When studying trends over time using the NIS, be aware that the sampling frame for … the alternate weights and other recommendations for trends analysis. … The NIS-Trends weights account for this change in NIS sampling.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.jsp
January 01, 2011 - (Analyses of time trends are recommended from 1993 forward. … (Analyses of time trends are recommended from 1993 forward. … Studying Trends
When studying trends over time using the NIS, be aware that the sampling frame for … the alternate weights and other recommendations for trends analysis. … The NIS-Trends weights account for this change in NIS sampling.
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hcup-us.ahrq.gov/db/nation/nis/NIS_2008_INTRODUCTION.pdf
January 01, 2008 - (Analyses of time trends are recommended from 1993 forward. … (Analyses of time trends are recommended from 1993 forward. … Studying Trends
When studying trends over time using the NIS, be aware that the sampling frame for … the alternate weights and other recommendations for
trends analysis. … The NIS-Trends weights account for this
change in NIS sampling.
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hcup-us.ahrq.gov/db/nation/kid/reports/KID_design_rpt_2003.jsp
January 01, 2003 - Missing Values
Variance Calculations
Computer Software for Variance Calculations
Studying Trends … Researchers and policy makers can use the KID to identify, track, and analyze national trends in hospital … Studying Trends
When studying trends over time using the KID, be aware that the sampling frame for … The elimination of rehabilitation hospitals may affect trends but the effect is likely small since only … Studying Trends
When studying trends over time using the KID, be aware that the sampling frame for
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hcup-us.ahrq.gov/db/nation/nrd/nrdarchive.jsp
December 01, 2024 - NRD Database Documentation Archive
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/state/siddist/siddist_ddeavailbyyear.jsp
September 01, 2025 - Central Distributor SID Description of Data Elements By Year
An official website of the Department of Health & Human Services
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…
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_ddeavailbyyear.jsp
September 01, 2025 - Central Distributor SASD Description of Data Elements By Year
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
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…