-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2012.jsp
January 01, 2012 - Files
Table 3: Data Elements in the NIS Disease Severity Measures Files
Table 4: Data Elements … of disease severity measures. … Refer to Table 3 in Appendix III for a list of data elements in the Severity Measures file. … files (record = hospital)
Table 3 for the Disease Severity Measures files (record = inpatient stay … (to calculate national estimates)
Discharge weights (weights for 1988–1993 are on Hospital Weights
-
hcup-us.ahrq.gov/datainnovations/grants.jsp
July 01, 2016 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … The Hawaii team continues to assess and improve data quality, and to conduct research to measure … The New York team conducted analyses that compared outcome measures, risk-adjustment models, comparative … standard" for R/E/L accuracy)
Going forward, the California team will continue revising audit measures … sheets, pre/post training tests, and key informant surveys
Conducted a patient telephone survey to measure
-
hcup-us.ahrq.gov/reports/methods/2016-06.pdf
January 01, 2016 - Thus, whereas incidence and prevalence are defined as
measures of disease occurrence and frequency, … In the case of HCUP, these terms can be thought of as measures of
event occurrence and frequency, with … determine what
populations contribute to the numerators and denominators of incidence and prevalence
measures … is ideal, has a slightly different and less concerning set of limitations than does applying these
measures … transient but can recur, the examples
allow individuals who experienced past events to contribute to measures
-
hcup-us.ahrq.gov/reports/methods/2007_02.pdf
January 01, 2007 - Therefore, trend studies involving 1997 might prefer to employ other measures of hospital size,
such … structure
could also be characterized as discharges nested within years nested within hospitals (repeated
measures … comorbidity measure: Depression -- -- Yes CM_DEPRESS
CM_DM Severity AHRQ comorbidity measure: Diabetes … AHRQ comorbidity measure: Liver disease -- -- Yes CM_LIVER
CM_LYMPH Severity AHRQ comorbidity measure … Severity AHRQ comorbidity measure: Obesity -- -- Yes CM_OBESE
CM_PARA Severity AHRQ comorbidity measure
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2013.jsp
January 01, 2013 - Files
Table 3: Data Elements in the NIS 2013 Disease Severity Measures Files
Table 4: Data Elements … of disease severity measures. … Refer to Table 3 in Appendix III for a list of data elements in the Severity Measures file. … files (record = hospital)
Table 3 for the Disease Severity Measures files (record = inpatient stay … (to calculate national estimates)
Discharge weights (weights for 1988–1993 are on Hospital Weights
-
hcup-us.ahrq.gov/db/nation/nrd/nrddde.jsp
May 01, 2024 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … anemias
2010-2015 Q3
Severity
Q1Q3 Severity (not in Q4)
CM_ARTH
AHRQ comorbidity measure … disease
2010-2015 Q3
Severity
Q1Q3 Severity (not in Q4)
CM_COAG
AHRQ comorbidity measure … abuse
2010-2015 Q3
Severity
Q1Q3 Severity (not in Q4)
CM_HTN_C
AHRQ comorbidity measure … cancer
2010-2015 Q3
Severity
Q1Q3 Severity (not in Q4)
CM_NEURO
AHRQ comorbidity measure
-
hcup-us.ahrq.gov/db/nation/nis/nisdde.jsp
February 01, 2025 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … anemias
2002-2015 Q3
Severity
Q1Q3 Severity (not in Q4)
CM_ARTH
AHRQ comorbidity measure … disease
2002-2015 Q3
Severity
Q1Q3 Severity (not in Q4)
CM_COAG
AHRQ comorbidity measure … abuse
2002-2015 Q3
Severity
Q1Q3 Severity (not in Q4)
CM_HTN_C
AHRQ comorbidity measure … Hospital census region
1988-1992
Hospital
STRAT_ST
Stratum for state-specific weights
-
hcup-us.ahrq.gov/news/exhibit_booth/HCUPOverviewDeck_121422.pdf
February 09, 2022 - assignment is not
mutually exclusive
Some codes cross-classified to
more than one comorbidity measure … Clinically similar comorbidity
measures
Some comorbidity measures
clinically similar but differentiated … American Hospital Association (AHA) Linkage Files
• Supplemental Variables for Revisit Analyses
• Trend Weights … revisit/revisit.jsp
http://www.hcup-us.ahrq.gov/toolssoftware/revisit/revisit.jsp
NIS and KID Trend Weights … Files Adjust Discharge
Weights for Longitudinal Analyses
• Adjust discharge weights to account for
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_1997_SummaryStats_CORE.PDF
January 01, 1997 - 2006
The UNIVARIATE Procedure
Variable: AGE (I:Age in years at admission)
Moments
N 1905797 Sum Weights … 2006
The UNIVARIATE Procedure
Variable: LOS (I:Length of stay (cleaned))
Moments
N 1899731 Sum Weights … The UNIVARIATE Procedure
Variable: LOS_X (I:Length of stay (uncleaned))
Moments
N 1905796 Sum Weights … 2006
The UNIVARIATE Procedure
Variable: TOTCHG (I:Total charges (cleaned))
Moments
N 1846949 Sum Weights … UNIVARIATE Procedure
Variable: TOTCHG_X (I:Total charges (from data source))
Moments
N 1854185 Sum Weights
-
hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp
January 01, 2009 - Data Elements in the KID Disease Severity Measures Files
Table 4. … sets of disease severity measures. … for all States in the 2009 KID Disease Severity Measures Files. … measure: Hypothyroidism
CM_LIVER
2003, 2006, 2009
AHRQ comorbidity measure: Liver disease … AHRQ comorbidity measure: Psychoses
CM_PULMCIRC
2003, 2006, 2009
AHRQ comorbidity measure:
-
hcup-us.ahrq.gov/db/nation/nis/NIS_2009_INTRODUCTION.pdf
January 01, 2009 - Data Elements in the NIS Disease Severity Measures Files ............................ 16
HCUP NIS … of disease severity measures. … Refer to Table 3 in Appendix III for a list of
data elements in the Severity Measures file. … weights. … for all States in the 2009 NIS Disease Severity
Measures files.
-
hcup-us.ahrq.gov/reports/methods/MS2021-03-NHQDRMethodsReport.pdf
December 09, 2021 - area-
based measures. … The AHRQ QIs measure an event that occurs in a hospital, requiring a numerator count of the
event of … The States that met the inclusion criteria for developing
the national-level weights in the final NHQDR … as a percent of the national
measure. … Discharge-level weights
included with the NEDS are used to produce national estimates.
-
hcup-us.ahrq.gov/reports/methods/MS2022-01-NHQDRMethodsReport.pdf
October 28, 2022 - area-
based measures. … The AHRQ QIs measure an event that occurs in a hospital, requiring a numerator count of the
event of … The States that met the inclusion criteria for developing
the national-level weights in the final NHQDR … as a percent of the national
measure. … Discharge-level weights
included with the NEDS are used to produce national estimates.
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/data_collection.jsp
February 01, 2025 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … Linking laboratory data to administrative data also provides more accurate risk adjustments and better measures … While hospital datasets generally contain more detailed measures of patient demographics, comorbidities … Linked data can be used as a measure of patient outcomes based on hospital mortality rates, and also
-
hcup-us.ahrq.gov/reports/statbriefs/sb10.jsp
July 10, 2006 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … The PQIs are a set of measures that can be used with hospital inpatient discharge data to identify quality … This PQI version includes measures for hospital admission rates for the following 16 ambulatory care-sensitive … Diagnoses
Admission rates are based on principal diagnosis for all measures except diabetes-related … Reporting of race and ethnicity
Race and ethnicity measures can be problematic in hospital discharge
-
hcup-us.ahrq.gov/db/nation/nrd/nrdrelatedreports.jsp
June 01, 2020 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … Readmissions and Revisits Using Hospital Administrative Data (PDF file, 301 KB)
Overview of Key Readmission Measures
-
hcup-us.ahrq.gov/reports/race/ReportcardsIB.pdf
September 26, 2011 - RACIAL AND ETHNIC HEALTH DISPARITIES:
STATE EXPERIENCE
Using Report Cards to Measure Racial … document states produce is a “report card,” or a publication that uses data
from race/ethnicity-specific measures … This issue brief focuses on New Mexico’s experience using report cards to
measure racial and ethnic … Report card measures assess risk factors and condition prevalence/incidence (e.g.,
youth obesity, chlamydia … Conclusion
State report cards that assign letter grades based on race/ethnicity-specific measures
-
hcup-us.ahrq.gov/db/nation/kid/KID_2009_Introduction.pdf
January 01, 2009 - sets of disease severity measures. … for all States in the 2009 KID Disease Severity
Measures Files. … 2009
AHRQ comorbidity measure: Liver disease
CM_LYMPH 2003, 2006,
2009
AHRQ comorbidity measure … measure: Obesity
CM_PARA 2003, 2006,
2009
AHRQ comorbidity measure: Paralysis
CM_PERIVASC 2003 … measure: Valvular disease
CM_WGHTLOSS 2003, 2006,
2009
AHRQ comorbidity measure: Weight loss
-
hcup-us.ahrq.gov/reports/race/StandAloneR_EExecSum4_28forweb.pdf
March 11, 2011 - health care quality varies by population; the 2009 edition concludes that nearly two-
thirds of the measures … categories of documents:
• Data reports: Compile race/ethnicity-specific metrics and performance measures … Indicators Presented, Unit(s) of Analysis, and Comparison Rate(s)
The most commonly presented measures … Every featured state data report also included measures
of health care access/utilization, such as avoidable … Some already measure
this while others are exploring ways to do so.
-
hcup-us.ahrq.gov/db/nation/nis/reports/2002niscomparisonrpt.jsp
June 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 7.8 million discharges from 984 hospitals, with weights to … Because NIS weights are based on the AHA survey, there was close agreement between the two sources. … The AHA-derived sampling weights in the NIS yield discharge counts consistent with the AHA universe, … When other differences were observed, inconsistency was generally limited to one other measure.