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hcup-us.ahrq.gov/reports/statbriefs/sb246-Geographic-Variation-Hospital-Stays.pdf
February 01, 2018 - National Center for Health Statistics (NCHS) and based on the Office of Management and Budget (OMB)
definition … • Revisions to how hospitals are defined—the NIS now uses the definition of hospitals and
discharges
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hcup-us.ahrq.gov/reports/statbriefs/sb211-Hospital-Variation-C-sections-2013.pdf
January 01, 2013 - State Inpatient Databases (SID) rather than the Nationwide Inpatient
Sample (NIS) and by using a new definition … Case definition
For this report, the ICD-9-CM diagnosis codes and DRGs listed in Table 2 were used to
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_2022_MaskedStats_Core.PDF
January 01, 2022 - Pr > |t| <.0001
Sign M 629391 Pr >= |M| <.0001
Signed Rank S 3.961E11 Pr >= |S| <.0001
Quantiles (Definition … Pr > |t| <.0001
Sign M 1466142 Pr >= |M| <.0001
Signed Rank S 2.15E12 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 1490959 Pr >= |M| <.0001
Signed Rank S 2.223E12 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 1504906 Pr >= |M| <.0001
Signed Rank S 2.265E12 Pr >= |S| <.0001
Quantiles (Definition … Univariates of Selected Continuous Data Elements
Variable: DISCWT (KID discharge weight)
Quantiles (Definition
-
hcup-us.ahrq.gov/reports/statbriefs/sb300-COVID-19-AllHospital.pdf
September 01, 2022 - Case definition
COVID-19-related hospitalizations and in-hospital deaths are identified by any-listed … National Center for Health Statistics (NCHS) and based on the Office of Management and Budget (OMB)
definition
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hcup-us.ahrq.gov/reports/statbriefs/sb81.pdf
April 01, 2010 - If
two procedures appear to meet this definition, the procedure most related to the principal diagnosis … Case Definition
In this report, trauma cases were identified based on ICD-9-CM codes and DRGs.
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hcup-us.ahrq.gov/datainnovations/clinicaldata/AppendixB_BAAAddendum.pdf
September 30, 2009 - Data Use/ Business Associate Agreement
ADDENDUM A
BUSINESS ASSOCIATE PRIVACY AND SECURITY AGREEMENT
“Adding Clinical Data to Administrative Data”
AHRQ Contract with MHA HHSA290 2007 10080
This document is an addendum to the Business Associate and Security Agreement made
between the Minnesota hospital listed …
-
hcup-us.ahrq.gov/reports/statbriefs/sb197-Characteristics-Quality-Hospitals-Health-Systems.pdf
December 01, 2014 - Case definition
The specification of hospitals as either an independent hospital or as belonging to … Our definition of health systems is derived from a
binary variable for system membership and the AHA … Office of Management and Budget definition.
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hcup-us.ahrq.gov/reports/statbriefs/sb34.jsp
July 01, 2007 - If two procedures appear to meet this definition, the procedure most related to the principal diagnosis
-
hcup-us.ahrq.gov/toolssoftware/util_flags/utilflag.jsp
July 01, 2025 - Utilization Flags
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
Email Updates
…
-
hcup-us.ahrq.gov/reports/statbriefs/sb214-Hysterectomy-Oophorectomy-Trends.jsp
November 01, 2016 - Case definition
Hospital discharge and ambulatory surgery records with a hysterectomy or oophorectomy … codes for defining related condition for hospital visit
Related condition for hospital visit
Definition … codes for hysterectomy may or may not also include an oophorectomy.
8 For more details, see Case Definition
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/hi8.jsp
August 07, 2014 - HL7 Integration Engine Vendor Evaluation Template.
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
…
-
hcup-us.ahrq.gov/reports/statbriefs/sb121.jsp
September 01, 2011 - Statistical Brief #121
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
Email Updates
…
-
hcup-us.ahrq.gov/reports/statbriefs/sb175-Hospital-Cost-Utilization-Projections-2013.jsp
July 01, 2014 - Definitions
Case definition
Coding criteria for the five hospital service lines are provided … It should be noted that the above definition of injury includes five diagnosis codes that are also included … under two CCS diagnosis categories used for the definition of the mental health service line:
CCS
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2013.jsp
January 01, 2013 - Second, the definition of discharges and hospitals was changed in several ways. … Finally, the definition of hospital entities is now based on State–supplied hospital identifiers rather … For purposes of the NIS, the definition of a community hospital is that used by the AHA: "all nonfederal … Tied the definition of a hospital to the State-supplied hospital identifier rather than to the American … Old Universe Definition (1998-2011)
Impact of Incremental Modifications to the Universe
Include
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2002_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2002 - > |t| <.0001
Sign M 342995.5 Pr >= |M| <.0001
Signed Rank S 1.176E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 384913.5 Pr >= |M| <.0001
Signed Rank S 1.482E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: LOS_X (Length of stay (as received from source))
Quantiles (Definition … > |t| <.0001
Sign M 383112.5 Pr >= |M| <.0001
Signed Rank S 1.468E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 383229.5 Pr >= |M| <.0001
Signed Rank S 1.469E11 Pr >= |S| <.0001
Quantiles (Definition
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2002_SummaryStats_10PCT_SAMPLE_B.PDF
January 01, 2002 - Pr > |t| <.0001
Sign M 342620 Pr >= |M| <.0001
Signed Rank S 1.174E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 385096.5 Pr >= |M| <.0001
Signed Rank S 1.483E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 385115.5 Pr >= |M| <.0001
Signed Rank S 1.483E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: LOS_X (Length of stay (as received from source))
Quantiles (Definition … The UNIVARIATE Procedure
Variable: TOTCHG_X (Total charges (as received from source))
Quantiles (Definition
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2001 - > |t| <.0001
Sign M 326163.5 Pr >= |M| <.0001
Signed Rank S 1.064E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: LOS_X (Length of stay (as received from source))
Quantiles (Definition … > |t| <.0001
Sign M 367937.5 Pr >= |M| <.0001
Signed Rank S 1.354E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 368024.5 Pr >= |M| <.0001
Signed Rank S 1.354E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: TOTCHG_X (Total charges (as received from source))
Quantiles (Definition
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_SummaryStats_10PCT_SAMPLE_B.PDF
January 01, 2001 - > |t| <.0001
Sign M 364447.5 Pr >= |M| <.0001
Signed Rank S 1.328E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: LOS_X (Length of stay (as received from source))
Quantiles (Definition … > |t| <.0001
Sign M 367894.5 Pr >= |M| <.0001
Signed Rank S 1.353E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 367992.5 Pr >= |M| <.0001
Signed Rank S 1.354E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: TOTCHG_X (Total charges (as received from source))
Quantiles (Definition
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2000 - > |t| <.0001
Sign M 364198.5 Pr >= |M| <.0001
Signed Rank S 1.326E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: LOS_X (Length of stay (as received from source))
Quantiles (Definition … > |t| <.0001
Sign M 346896.5 Pr >= |M| <.0001
Signed Rank S 1.203E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 347423.5 Pr >= |M| <.0001
Signed Rank S 1.207E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: TOTCHG_X (Total charges (as received from source))
Quantiles (Definition
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_SummaryStats_10PCT_SAMPLE_B.PDF
January 01, 2000 - > |t| <.0001
Sign M 324279.5 Pr >= |M| <.0001
Signed Rank S 1.052E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 364103.5 Pr >= |M| <.0001
Signed Rank S 1.326E11 Pr >= |S| <.0001
Quantiles (Definition … > |t| <.0001
Sign M 364120.5 Pr >= |M| <.0001
Signed Rank S 1.326E11 Pr >= |S| <.0001
Quantiles (Definition … The UNIVARIATE Procedure
Variable: LOS_X (Length of stay (as received from source))
Quantiles (Definition … > |t| <.0001
Sign M 346874.5 Pr >= |M| <.0001
Signed Rank S 1.203E11 Pr >= |S| <.0001
Quantiles (Definition