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hcup-us.ahrq.gov/ahalinkage/ahalinkage_search.jsp
September 01, 2025 -
HCUP Central Distributor American Hospital Association Linkage Files
Select a State, data year … Load programs are available by state, year and data type: SAS , SPSS , or Stata . … North Carolina
Oregon
Rhode Island
Utah
Vermont
Washington
West Virginia
Wisconsin
Year … specific notes:
Starting with data year 2021, the SAS, SPSS, and Stata load programs for the AHA … Prior to data year 2021, the load program must be downloaded separately ( SAS , SPSS , Stata ).
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hcup-us.ahrq.gov/news/awards_archive.jsp
November 01, 2024 - Return to Contents
2020 Outstanding Article of the Year Award (awarded June 2021), sponsored … Return to Contents
2019 Outstanding Article of the Year Award (awarded August 2020), sponsored … Return to Contents
2018 Outstanding Article of the Year Award (awarded June 2019), sponsored by … Return to Contents
2017 Outstanding Article of the Year Award (awarded June 2018), sponsored by … Return to Contents
2016 Outstanding Article of the Year Award (awarded June 2017), sponsored by
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hcup-us.ahrq.gov/db/nation/sasloadprog.jsp
December 01, 2024 - SAS load programs are provided by year, by database type. … A cumulative zip
file containing the SAS load programs for every year for each database type is … To request the SAS Load program for a Nationwide HCUP database, select a data year and database, then … Year:
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011 … NIS
KID
NASS
NEDS
NRD
To download a ZIP file containing every year
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hcup-us.ahrq.gov/db/nation/spssloadprog.jsp
December 01, 2024 - SPSS load programs are provided by year, by database type. … A cumulative zip file containing the SPSS load programs for every year for each
database type … To request the SPSS Load program for a Nationwide HCUP database, select a data year
and database … Year:
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011 … NIS
KID
NASS
NEDS
NRD
To download a ZIP file containing every year
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1992_1988_Design_Report.jsp
January 01, 1992 - AHA files too late to convert fiscal-year responses to calendar-year files for 1992. … For example, year 1 could be 1988 and year 2 could be 1989, or year 1 could be 1989 and year 2 could … 1 and year 2, respectively, based on the frame and universe for year 1 and year 2, respectively. … year 2 frame were retained for the year 2 sample. … the year 2 sample.
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hcup-us.ahrq.gov/datainnovations/CaseStudy_QDRanalysis04072017.pdf
April 07, 2017 - in the prior year). … , weighted partial year. … , weighted partial year. … , weighted partial year. … , weighted partial year.
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompmi.jsp
April 01, 2025 - Hospitals do not always report data for a full calendar year. … Some hospitals open or close during the year; other hospitals have technical problems that prevent them … from reporting data for all months in a year. … If the hospital was unable to submit data, MHA replicated the data, either from a previous year or the … current year.
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hcup-us.ahrq.gov/db/ccr/ip-ccr/IP_CCR_User_Guide_External_2001-2022.pdf
January 01, 2022 - Separate CCR Files are released for each data year and should be used with the corresponding
year of … following the HCRIS data year. … All CCR Files also include data year (YEAR) and area wage index (WAGEINDEX or WI_X),
which is an index … CCR for CD-SID Record (Hospital) Counts by Year
Year
Number of Records (Hospitals)
CCR for CD-SIDa … Records (Hospitals) in the CCR for CD-SID, by Year and Presence of APICC and GAPICC
Year Number of
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1995_Design_Report.jsp
January 01, 1995 - The NIS, Release 2 covers calendar year 1993, the NIS, Release 3 covers calendar year 1994, and the NIS … In this example, year 1 would be 1994 and year 2 would be 1995. … 1 and year 2, respectively, based on the frame and universe for year 1 and year 2, respectively. … year 2 frame were retained for the year 2 sample. … the year 2 sample.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1993_Design_Report.jsp
January 01, 1993 - Release 2 covers calendar year 1993. … In this example, year 1 would be 1992 and year 2 would be 1993. … 1 and year 2, respectively, based on the frame and universe for year 1 and year 2, respectively. … year 2 frame were retained for the year 2 sample. … the year 2 sample.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1994_Design_Report.jsp
January 01, 1994 - The NIS, Release 2 covers calendar year 1993, and the NIS, Release 3 covers calendar year 1994. … In this example, year 1 would be 1993 and year 2 would be 1994. … 1 and year 2, respectively, based on the frame and universe for year 1 and year 2, respectively. … year 2 frame were retained for the year 2 sample. … the year 2 sample.
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hcup-us.ahrq.gov/reports/methods/2008_02.pdf
January 01, 2008 - year end 2003 1 — NS NS NS NS NS NS NS NS
Proactive dissemination of information to public, by year … NS 0.1%
Patient safety coalition, by year end 2004 NS 0.5%
Mandatory adverse event reporting, by year … NS 3.0%
Patient safety coalition, by year end 2004 NS 0.0%
Mandatory adverse event reporting, by year … NS 3.1%
Patient safety coalition, by year end 2004 NS 3.8%
Mandatory adverse event reporting, by year … NS 3.1%
Patient safety coalition, by year end 2004 + 11.8%
Mandatory adverse event reporting, by year
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1997_Design_Report.pdf
January 01, 1997 - The
goal of this procedure was to maximize the year-to-year overlap among sample hospitals, yet
keep … In this example, year 1 would be 1995 and year 2 would be
1997. … 1 and year 2, respectively, based on the frame and universe for year 1 and year 2,
respectively. … Any new frame hospitals (those in the year 2 frame but not in the year 1 frame) were
selected at the … the
year 2 sample.
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hcup-us.ahrq.gov/db/maphosp.pdf
March 05, 2025 - HCUP Nationwide Databases
Hospital identifiers vary depending on the nationwide database and the year … These hospital identification numbers are reassigned each year. … Once a HOSP_ED value is
assigned to an emergency department, the same value is retained each year. … This is not possible starting in data year 2012. … To begin, relevant data elements are extracted from State data and from the AHA data for each
year.
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hcup-us.ahrq.gov/sasload/sasload_search.jsp
September 01, 2025 - SAS load programs are provided by State, by year, by database type. … Select a State, data year, and database, then click the Find button. … Island
South Carolina
South Dakota
Utah
Vermont
Washington
West Virginia
Wisconsin
Year … specific notes:
Starting with data year 2021, the SAS load programs for the AHA Linkage Files are … Prior to data year 2000, SAS informats were not always included in the SAS load program.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1997_Design_Report.jsp
January 01, 1997 - The goal of this procedure was to maximize the year-to-year overlap among sample hospitals, yet keep … In this example, year 1 would be 1995 and year 2 would be 1997. … 1 and year 2, respectively, based on the frame and universe for year 1 and year 2, respectively. … year 2 frame were retained for the year 2 sample. … the year 2 sample.
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hcup-us.ahrq.gov/db/nation/nrd/NRDIntroduction2022.pdf
December 01, 2024 - The values of HOSP_NRD
differ from year to year. … The values of
NRD_STRATUM differ from year to year. … The values of
HOSP_NRD differ from year to year. … The values of
HOSP_NRD differ from year to year. … The values of HOSP_NRD differ from
year to year.
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hcup-us.ahrq.gov/db/ccr/ip-ccr/Inpatient_CCR_User_Guide_External_2001-2020.pdf
January 01, 2020 - Separate CCR Files are released for each data year and should be used with the corresponding
year of … following the HCRIS data year. … All CCR Files also include data year (YEAR) and area wage index (WAGEINDEX or WI_X),
which is an index … CCR for CD-SID Record (Hospital) Counts by Year
Year
Number of Records (Hospitals)
CCR for CD-SIDa … Records (Hospitals) in the CCR for CD-SID, by Year and Presence of APICC and GAPICC
Year Number of
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hcup-us.ahrq.gov/db/vars/age/kidnote.jsp
September 01, 2008 - The age edit checks vary by year. … In prior years, only a two-digit year was available. … Iowa
AGE may differ by one year from the actual age. … Beginning in 1994, New Jersey provides a four-digit birth year. … Prior to 1996, date of birth (DOB) was supplied with a four-digit year.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1996_Design_Report.jsp
January 01, 1996 - The goal of this procedure was to maximize the year-to-year overlap among sample hospitals, yet keep … In this example, year 1 would be 1994 and year 2 would be 1995. … 1 and year 2, respectively, based on the frame and universe for year 1 and year 2, respectively. … year 2 frame were retained for the year 2 sample. … the year 2 sample.