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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.jsp
January 01, 2000 - e.g., produce more precise estimates) if they account for the potential correlation between repeated measures … DATA ANALYSIS
Variance Calculations
It may be important for researchers to calculate a measure … of an appropriate method for calculating variances for nationwide estimates depends on the type of measure … One approach to consider in hospital-level longitudinal analyses is to use repeated-measure models that … e.g., produce more precise estimates) if they account for the potential correlation between repeated measures
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hcup-us.ahrq.gov/db/nation/nis/NISChangesBeginningDataYr2016.pdf
September 01, 2022 - Agency for
Healthcare Research and Quality. … Researchers
and policymakers use the NIS to make national estimates of healthcare utilization, cost, quality … Newly Added Data Elements
Data Element Name Description NIS File Year Added
CMR_aaab
Comorbidity measures … codes
Diagnosis and
Procedure Groups 2019
CMR_VERSION
Version of the Elixhauser
Comorbidity Measure … b Where aaa denotes the specific comorbidity measure.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.jsp
January 01, 2002 - Variance Calculations
It may be important for researchers to calculate a measure of precision for … e.g., produce more precise estimates) if they account for the potential correlation between repeated measures … Variance Calculations
It may be important for researchers to calculate a measure of precision for … One approach to consider in hospital-level longitudinal analyses is to use repeated-measure models that … e.g., produce more precise estimates) if they account for the potential correlation between repeated measures
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.jsp
January 01, 2001 - Variance Calculations
It may be important for researchers to calculate a measure of precision for … e.g., produce more precise estimates) if they account for the potential correlation between repeated measures … Variance Calculations
It may be important for researchers to calculate a measure of precision for … One approach to consider in hospital-level longitudinal analyses is to use repeated-measure models that … e.g., produce more precise estimates) if they account for the potential correlation between repeated measures
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hcup-us.ahrq.gov/reports/methods/methods_topic.jsp
November 01, 2024 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … #2007-02
Using the KIDS' Inpatient Database (KID) to Estimate Trends (PDF file, 360 KB)
Trends Weights … for 1988-1997 HCUP NIS Data (Link to downloadable weights files)
Report #2005-01
Using the … HCUP Nationwide Inpatient Sample to Estimate Trends (1988-2002) (PDF file, 830 KB)
Trend Weights … Return to top
Readmission and Revisit Analyses
Report #2012-04
Overview of Key Readmission Measures
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hcup-us.ahrq.gov/reports/factsandfigures/2009/definitions.jsp
January 01, 2009 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … Median income is a proxy measure of a patient's socioeconomic status. … This measure indicates the prevalence of hospitalizations, procedures or diagnoses within the population … Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/reports/factsandfigures … Search
Agency for Healthcare Research and Quality
5600 Fishers Lane Rockville, MD
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hcup-us.ahrq.gov/db/nation/nis/NIS93_Overview_1222104.pdf
November 01, 2015 - FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA
Sponsored by the Agency for Healthcare Research and Quality … Issued September 2002
Updated Nov. 2015
Agency for Healthcare Research and Quality
Rockville … Tools
AHRQ Quality Indicators (QIs) are clinical performance measures for use with readily available … Hospital and
discharge weights are provided for producing national estimates. … HCUP-3 Quality Indicators are performance measures for use with readily available inpatient
data.
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hcup-us.ahrq.gov/reports/methods/NIS_Comparison_Report_2001.pdf
January 01, 2001 - Information:
Healthcare Cost and Utilization Project (HCUP)
Agency for Healthcare Research and Quality … Agency for Healthcare
Research and Quality. … NIS Weights
Sample weights were developed for the NIS to obtain national estimates of the hospital … 25 diagnosis category comparisons revealed only a handful of
significant differences for any other measure … When other differences were observed, inconsistency was generally limited to one other
measure.
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or31.jsp
August 01, 2014 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ Quality … Misclassification errors may follow a patient between data systems
Net result: morbidity and mortality measures … Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit … Search
Agency for Healthcare Research and Quality
5600 Fishers Lane Rockville, MD
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or15.jsp
July 01, 2016 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ Quality … 2009
American Community Survey, 2009 population estimates of AI/AN race alone (for urban population measures … Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit … Search
Agency for Healthcare Research and Quality
5600 Fishers Lane Rockville, MD
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hcup-us.ahrq.gov/datainnovations/clinicaldata/AHRQFINALREPORTVHI.jsp
July 01, 2016 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … expert in operations research and health outcomes measurement was involved in helping design systems to measure … All potential variables will be ranked on two scales: one for potential utility and a second for ease … As of July 31, 2009, VHI has applied 15 POA data screens, developed to measure the quality of POA coding … , both for AHRQ and other quality measures?
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hcup-us.ahrq.gov/reports/statbriefs/sb50.pdf
April 01, 2008 - CDAD patients are more complex than the average inpatient on every measure. … Measures of mortality, severity and complexity suggest that patients undergoing subtotal colectomy were … Comorbidity measures for use with administrative data. … Agency for
Healthcare Research and Quality. … Agency for
Healthcare Research and Quality.
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hcup-us.ahrq.gov/db/nation/kid/KIDIntroduction2022.pdf
December 01, 2024 - Data Elements in the 2022 KID Disease Severity Measures Files .......................III-5
Table 4: … Variance Calculations
It may be important for researchers to calculate a measure of precision for some … of an appropriate method for calculating
variances for nationwide estimates depends on the type of measure … – provides
detailed documentation on the different
types of measures
• HCUP Quality Control Procedures … Data Elements in the 2022 KID Disease Severity Measures Files
Table 4: Data Elements in the 2022 KID
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hcup-us.ahrq.gov/reports/statbriefs/sb151.jsp
March 01, 2013 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … (AHRQ) Prevention Quality Indicators (PQIs). … Prevention Quality Indicators
The Prevention Quality Indicators (PQIs; version 4.1), a component of … the AHRQ Quality Indicators (QIs), are a set of measures that can be used with hospital inpatient … ), which includes measures of potentially preventable hospitalizations for children for asthma, gastroenteritis
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2019.jsp
January 01, 2019 - of an appropriate method for calculating variances for nationwide estimates depends on the type of measure … - provides detailed documentation on the different types of measures
HCUP Quality Control Procedures … Type of Data Element
HCUP Name
Coding Notes
Comorbidity Measure Refined (CMR)
CMR_aaa b … -CM diagnosis codes
CMR_VERSION
Version of the Elixhauser Comorbidity Measure Refined for ICD … b Where aaa denotes the specific comorbidity measure.
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hcup-us.ahrq.gov/db/nation/nrd/NRDChangesBeginningDataYear2016.pdf
November 17, 2022 - Agency for Healthcare Research and Quality. … Newly Added Data Elements
Data Element Name Description NRD File Year Added
CMR_aaab
Comorbidity measures … codes
Diagnosis and
Procedure Groups 2019
CMR_VERSION
Version of the Elixhauser
Comorbidity Measure … procedures
Diagnosis and
Procedure Groups 2019
Abbreviations: AHRQ, Agency for Healthcare Research and Quality … b Where aaa denotes the specif ic comorbidity measure.
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/case_for_re.jsp
February 01, 2025 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … There is an obvious need to document and improve the quality of care provided to at-risk populations. … quality of healthcare in the United States. … measures, develop and expand culturally competent interventions, and improve care delivery to the communities … R/E/L data that meet state requirements and can be used to improve quality in hospitals.
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hcup-us.ahrq.gov/db/ccr/ed-ccr/ED_CCR_User_Guide_External_2012-2020.pdf
January 01, 2020 - All other CD-SEDD States that permit release of the CCR measures are included in the
CCR for CD-SEDD … A proxy
measure, the ratio of interns and residents per bed, was tested in regression analyses, and … Three States—Iowa, Minnesota,
and Nebraska—release their CCR measures in separate, State-specific files … estimates relied on
CCRs calculated from the cost reports and were integral to creation of DRG “relative weights … DRGs (see Pettengill and Vertrees, 1982, for
a discussion of initial development of DRGs and relative weights
-
hcup-us.ahrq.gov/db/ccr/ed-ccr/ED_CCR_User_Guide_External_2012-2021.pdf
January 01, 2021 - All other CD-SEDD States that permit release of the CCR measures are included in the
CCR for CD-SEDD … A proxy
measure, the ratio of interns and residents per bed, was tested in regression analyses, and … a Excludes States that did not permit AHRQ to release their CCR measures. … estimates relied on
CCRs calculated from the cost reports and were integral to creation of DRG “relative weights … DRGs (see Pettengill and Vertrees, 1982, for
a discussion of initial development of DRGs and relative weights
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hcup-us.ahrq.gov/db/ccr/ed-ccr/ED-CCR-User-Guide_Public_FINAL.pdf
October 01, 2022 - All other CD-SEDD States that permit release of the CCR measures are included in the
CCR for CD-SEDD … A proxy
measure, the ratio of interns and residents per bed, was tested in regression analyses, and … Three States—Iowa, Minnesota,
and Nebraska—release their CCR measures in separate, State-specific files … estimates relied on
CCRs calculated from the cost reports and were integral to creation of DRG “relative weights … DRGs (see Pettengill and Vertrees, 1982, for
a discussion of initial development of DRGs and relative weights