-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_SEVERITY.TXT
January 01, 2002 - Weight
NIS 2002 SEVERITY 9 CM_AIDS 58 59 Num AHRQ comorbidity measure … syndrome
NIS 2002 SEVERITY 10 CM_ALCOHOL 60 61 Num AHRQ comorbidity measure … anemias
NIS 2002 SEVERITY 12 CM_ARTH 64 65 Num AHRQ comorbidity measure … anemia
NIS 2002 SEVERITY 14 CM_CHF 68 69 Num AHRQ comorbidity measure … failure
NIS 2002 SEVERITY 15 CM_CHRNLUNG 70 71 Num AHRQ comorbidity measure
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2003_10PCT_SEVERITY_A.TXT
January 01, 2003 - Weight
NIS 2003 10PCT_SEVERITY_A 10 CM_AIDS 63 64 Num AHRQ comorbidity measure … syndrome
NIS 2003 10PCT_SEVERITY_A 11 CM_ALCOHOL 65 66 Num AHRQ comorbidity measure … anemias
NIS 2003 10PCT_SEVERITY_A 13 CM_ARTH 69 70 Num AHRQ comorbidity measure … anemia
NIS 2003 10PCT_SEVERITY_A 15 CM_CHF 73 74 Num AHRQ comorbidity measure … failure
NIS 2003 10PCT_SEVERITY_A 16 CM_CHRNLUNG 75 76 Num AHRQ comorbidity measure
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_10PCT_SEVERITY_B.TXT
January 01, 2002 - Weight
NIS 2002 10PCT_SEVERITY_B 9 CM_AIDS 58 59 Num AHRQ comorbidity measure … syndrome
NIS 2002 10PCT_SEVERITY_B 10 CM_ALCOHOL 60 61 Num AHRQ comorbidity measure … anemias
NIS 2002 10PCT_SEVERITY_B 12 CM_ARTH 64 65 Num AHRQ comorbidity measure … anemia
NIS 2002 10PCT_SEVERITY_B 14 CM_CHF 68 69 Num AHRQ comorbidity measure … failure
NIS 2002 10PCT_SEVERITY_B 15 CM_CHRNLUNG 70 71 Num AHRQ comorbidity measure
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2003_SEVERITY.TXT
January 01, 2003 - Weight
KID 2003 SEVERITY 10 CM_AIDS 57 58 Num AHRQ comorbidity measure … syndrome
KID 2003 SEVERITY 11 CM_ALCOHOL 59 60 Num AHRQ comorbidity measure … anemias
KID 2003 SEVERITY 13 CM_ARTH 63 64 Num AHRQ comorbidity measure … anemia
KID 2003 SEVERITY 15 CM_CHF 67 68 Num AHRQ comorbidity measure … failure
KID 2003 SEVERITY 16 CM_CHRNLUNG 69 70 Num AHRQ comorbidity measure
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2006_Severity.txt
January 01, 2006 - Weight
KID 2006 Severity 10 CM_AIDS 57 58 Num AHRQ comorbidity measure … syndrome
KID 2006 Severity 11 CM_ALCOHOL 59 60 Num AHRQ comorbidity measure … anemias
KID 2006 Severity 13 CM_ARTH 63 64 Num AHRQ comorbidity measure … anemia
KID 2006 Severity 15 CM_CHF 67 68 Num AHRQ comorbidity measure … failure
KID 2006 Severity 16 CM_CHRNLUNG 69 70 Num AHRQ comorbidity measure
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hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2013.pdf
January 01, 2013 - Series reports that provide additional information readmissions:
Overview of Key Readmission Measures … This report
describes12 key measures of hospital readmissions from different agencies or
companies. … The 12 measures were selected for inclusion because they are: (1)
endorsed by the National Quality Forum … Although we calculated discharge-level
weights for the NRD, we did not calculate hospital-level weights … Moderate loss of function,
(3) Major loss of function, (4) Extreme loss of
function
AHRQ
Comorbidity
Measures
-
hcup-us.ahrq.gov/toolssoftware/comorbidityicd10/Com-ICD10CMChgLg-v20201-v20211.xlsx
October 01, 2020 - List of new comorbidity measures
List of redefined comorbidity measures
List of discontinued comorbidity … measures
List of comorbidity measures that have modifications to the measure description or abbreviation … from a comorbidity measure
New_Comobidity_Measure
List of new comorbidity measures (v2021.1 vs v2020.1 … disorders LYTES
Change_to_Comorbidity
List of comorbidity measures that have modifications to the … measure description or abbreviation (v2021.1 vs v2020.1)
Comorbidity Abbreviation Comorbidity Measure
-
hcup-us.ahrq.gov/reports/statbriefs/sb259-Potentially-Preventable-Hospitalizations-2017.pdf
January 01, 2017 - For
these measures, an inpatient stay that meets the criteria for multiple components of the composite … Although these measures rely on hospital
discharge data, they are intended to reflect issues of access … Version 2019.01 of the PQI software also includes
three composite measures assessing hospitalizations … About the QDR
The National Healthcare Quality and Disparities Report (QDR) measures and tracks trends … Information on
individual measures will be available through chartbooks, which will be posted monthly
-
hcup-us.ahrq.gov/db/nation/nis/reports/2003niscomparisonrpt.jsp
May 01, 2016 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … As a result, the NIS includes approximately 8.0 million discharges from 994 hospitals, with weights to … Because NIS weights are based on the AHA survey, there was close agreement between the two sources. … For example, weights enable estimates of diagnosis-specific average lengths of stay across all United … The AHA-derived sampling weights in the NIS yield discharge counts consistent with the AHA universe,
-
hcup-us.ahrq.gov/reports/methods/2005_03_del_379.pdf
January 01, 2005 - .............................................................................................7
NIS Weights … As a result, the NIS includes approximately 7.8 million
discharges from 984 hospitals, with weights … Because NIS weights are based on the AHA survey, there was close agreement between the
two sources. … For example, weights enable estimates of diagnosis-specific average
lengths of stay over all United … When other differences were observed, inconsistency was generally limited to one other
measure.
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2012_Redesign_report.jsp
January 01, 2012 - Data Elements in the NIS Disease Severity Measures Files
Table B-4. … derived from ICD-9-CM codes
see also:
Table B-3, Data Elements in the NIS Disease Severity Measures … (to calculate national estimates)
Discharge weights
(weights for 1988-1993 are on Hospital Weights … Data Elements in the NIS Disease Severity Measures Files
Data elements that are italicized are not … All other data elements listed below are available for all States in the 2011 NIS Disease Severity Measures
-
hcup-us.ahrq.gov/news/exhibit_booth/hcup_90_min_pres.jsp
December 01, 2022 - Comorbidity assignment is not mutually exclusive
Some codes cross-classified to more than one comorbidity measure … Clinically similar comorbidity measures
Some comorbidity measures clinically similar … American Hospital Association (AHA) Linkage Files
Supplemental Variable for Revisit Analyses
Trend Weights … toolssoftware/revisit/revisit.jsp
Slide 99
NIS and KID Trend Weights … Files Adjust Discharge Weights for Longitudinal Analyses
Adjust discharge weights to account
-
hcup-us.ahrq.gov/reports/statbriefs/sb74.pdf
June 01, 2009 - The obstetrical trauma measures for vaginal deliveries were risk adjusted using age
and comorbidities … b Relevant discharges varies by measure: all live births (injury to newborn measure), all instrument-assisted … (trauma
without instrument measure), and all cesarean deliveries (trauma during cesarean delivery measure … b Relevant discharges varies by measure: all live births (injury to newborn measure), all instrument-assisted … (trauma without instrument measure), and
all cesarean deliveries (trauma during cesarean delivery measure
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2018.jsp
January 01, 2018 - Disease Severity Measures File: This discharge-level file contains information from two different sets … of disease severity measures. … Linkage between the Inpatient Core file and the Disease Severity Measures file
Prior to the … Return to Introduction
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
-
hcup-us.ahrq.gov/reports/methods/2006_9.pdf
January 01, 2006 - .............................................................................................7
NIS Weights … As a result, the NIS includes approximately 8.0 million
discharges from 994 hospitals, with weights … Because NIS weights are based on the AHA survey, there was close agreement
between the two sources. … For example, weights enable estimates of diagnosis-specific average
lengths of stay across all United … The AHA-derived sampling weights in the NIS yield discharge
counts consistent with the AHA universe,
-
hcup-us.ahrq.gov/db/vars/injury_severity/nedsnote.jsp
May 01, 2015 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … The ISS correlates linearly with mortality, morbidity, hospital stay and other measures of severity.
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2017.jsp
January 01, 2017 - Disease Severity Measures File: This discharge-level file contains information from two different sets … of disease severity measures. … Linkage between the Inpatient Core file and the Disease Severity Measures file
Prior to the … Return to Introduction
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
-
hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2014_MaskedStats_Severity.PDF
January 01, 2014 - 14,894,613 0 0.00 1.00 0.16 0.37
CM_ARTH : AHRQ comorbidity measure: Rheumatoid
arthritis/collagen … measure: Obesity 14,894,613 0 0.00 1.00 0.12 0.33
CM_PARA : AHRQ comorbidity measure: Paralysis 14,894,613 … Continuous Data Elements
Variable: DISCWT (Weight to discharges in AHA universe)
Moments
N 14894613 Sum Weights … 121379908 Corrected SS 37688993.5
Coeff Variation 67.1070468 Std Error Mean 0.00041217
Basic Statistical Measures … 1
The Report Procedure
CM_WGHTLOSS
Table 1
The Univariate Procedure
DISCWT
Moments
Basic Measures
-
hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS21993Final.pdf
April 03, 1997 - Sample weights were developed for the NIS to obtain national estimates of hospital and inpatient
parameters … For example, with these weights it should be possible to estimate DRG-specific
average lengths of stay … All NIS statistics used sample weights and accounted for the sample design using the SUDAAN
microcomputer … in Table 3, between the two sources because the discharge counts
are essentially sums of discharge weights … Comparison with AHA Data
Table 11 demonstrates that hospital weights associated with the NIS yield
-
hcup-us.ahrq.gov/db/nation/nis/reports/NISRedesignFinalReport040914.pdf
June 11, 2014 - Data Elements in the NIS Disease Severity Measures Files .......................... … measure different aspects of estimate inaccuracy. … derived from ICD-9-CM codes
see also:
Table B-3, Data Elements in the NIS Disease Severity Measures … Data Elements in the NIS Disease Severity Measures Files
Data elements that are italicized are not included … All other data elements listed below are available for all
States in the 2011 NIS Disease Severity Measures