-
hcup-us.ahrq.gov/db/nation/nrd/stats/MaskedStats_NRD_2015_Hospital.PDF
January 01, 2015 - Elements
Variable: N_DISC_U (Number of universe discharges in NRD_STRATUM)
Moments
N 2367 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 2367 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in NRD_STRATUM)
Moments
N 2367 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 2367 Sum Weights … Tests For Location
Quantiles
S_HOSP_U
Moments
Basic Measures of Location and Variability
Tests
-
hcup-us.ahrq.gov/db/nation/nrd/stats/MaskedStats_NRD_2017_Hospital.PDF
January 01, 2017 - Elements
Variable: N_DISC_U (Number of universe discharges in NRD_STRATUM)
Moments
N 2454 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 2454 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in NRD_STRATUM)
Moments
N 2454 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 2454 Sum Weights … Tests For Location
Quantiles
S_HOSP_U
Moments
Basic Measures of Location and Variability
Tests
-
hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2011_MaskedStats_Hospital_V2.PDF
January 01, 2011 - Elements
Variable: N_DISC_U (Number of universe discharges in NRD_STRATUM)
Moments
N 1804 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 1804 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in NRD_STRATUM)
Moments
N 1804 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 1804 Sum Weights … Tests For Location
Quantiles
S_HOSP_U
Moments
Basic Measures of Location and Variability
Tests
-
hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2010_MaskedStats_Hospital_V2.PDF
January 01, 2010 - Elements
Variable: N_DISC_U (Number of universe discharges in NRD_STRATUM)
Moments
N 1809 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 1809 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in NRD_STRATUM)
Moments
N 1809 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of universe hospitals in NRD_STRATUM)
Moments
N 1809 Sum Weights … Tests For Location
Quantiles
S_HOSP_U
Moments
Basic Measures of Location and Variability
Tests
-
hcup-us.ahrq.gov/tools_software.jsp
July 01, 2025 - procedures
AHRQ Quality Indicators (QIs)
AHRQ Quality Indicators are standardized, evidence-based measures … healthcare quality that can be used with readily available hospital inpatient administrative data to measure … For Use with HCUP Nationwide Databases
NIS-Trend Weights Files **
Needed for NIS longitudinal … NEDS and SEDD starting in 2012
Hospital Market Structure (HMS) Files *
Contain various measures
-
hcup-us.ahrq.gov/db/nation/kid/kid_2003_introduction_rpt.jsp
January 01, 2003 - AHRQ comorbidity measures developed by AHRQ. … sets of disease severity measures. … AHRQ comorbidity measure: Coagulopathy
CM_DEPRESS
2003
AHRQ comorbidity measure: Depression … measure: Liver disease
CM_LYMPH
2002-2003
AHRQ comorbidity measure: Lymphoma
CM_LYTES … measure: Valvular disease
CM_WGHTLOSS
2003
AHRQ comorbidity measure: Weight loss
All
-
hcup-us.ahrq.gov/reports/methods/2012_03.pdf
January 01, 2012 - QI measure. … The weights used to calculate the NHQR/NHDR summary measures
were relatively consistent with AHRQ IQI … The NHQR/NHDR summary measure weights
were the same as the weights in the similar IQI Composite. … The IQI Composite weights were proportionally
reallocated into the NHQR/NHDR summary measure weights … The PSI Composite weights were
proportionally reallocated into the NHQR/NHDR summary measure weights
-
hcup-us.ahrq.gov/reports/SOI.jsp
June 01, 2016 - Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files
NIS-Trend Weights … Outcome measures
Two binary outcome measures of utilization were constructed for each person with an … Two Measures of M/SU severity
Two measures of M/SU severity were used with the administrative data. … This measure in our study scales the expected resource use of M/SU conditions/stages (see Appendix A, … First, the M/SU-related-expected-functioning measure of severity is not a direct measure of the functional
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_SummaryStats_Hospital.PDF
January 01, 1998 - UNIVARIATE Procedure
Variable: DISCWT (Weight to discharges in AHA Universe)
Moments
N 984 Sum Weights … The UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA Universe)
Moments
N 984 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 984 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 984 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 984 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_SummaryStats_Hospital.PDF
January 01, 1999 - UNIVARIATE Procedure
Variable: DISCWT (Weight to discharges in AHA Universe)
Moments
N 984 Sum Weights … The UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA Universe)
Moments
N 984 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 984 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 984 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 984 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2005_SummaryStats_Hospital.PDF
January 01, 2005 - UNIVARIATE Procedure
Variable: DISCWT (Weight to discharges in AHA universe)
Moments
N 1054 Sum Weights … UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA universe)
Moments
N 1054 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 1054 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 1054 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 1054 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2002_SummaryStats_Hospital.PDF
January 01, 2002 - UNIVARIATE Procedure
Variable: DISCWT (Weight to discharges in AHA universe)
Moments
N 995 Sum Weights … The UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA universe)
Moments
N 995 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 995 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 995 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 995 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2004_SummaryStats_Hospital.PDF
January 01, 2004 - UNIVARIATE Procedure
Variable: DISCWT (Weight to discharges in AHA universe)
Moments
N 1004 Sum Weights … UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA universe)
Moments
N 1004 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 1004 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 1004 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 1004 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2003_SummaryStats_Hospital.PDF
January 01, 2003 - UNIVARIATE Procedure
Variable: DISCWT (Weight to discharges in AHA universe)
Moments
N 994 Sum Weights … The UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA universe)
Moments
N 994 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 994 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 994 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 994 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_SummaryStats_Hospital.PDF
January 01, 2001 - UNIVARIATE Procedure
Variable: DISCWT (Weight to discharges in AHA universe)
Moments
N 986 Sum Weights … The UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA universe)
Moments
N 986 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 986 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 986 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 986 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_SummaryStats_Hospital.PDF
January 01, 2000 - (Weight to discharges in AHA universe for estimates other than total charges)
Moments
N 994 Sum Weights … The UNIVARIATE Procedure
Variable: HOSPWT (Weight to hospitals in AHA universe)
Moments
N 994 Sum Weights … Procedure
Variable: N_DISC_U (Number of AHA universe discharges in NIS_STRATUM)
Moments
N 994 Sum Weights … Procedure
Variable: N_HOSP_U (Number of AHA universe hospitals in NIS_STRATUM)
Moments
N 994 Sum Weights … UNIVARIATE Procedure
Variable: S_HOSP_U (Number of sample hospitals in NIS_STRATUM)
Moments
N 994 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2017_Hospital.PDF
January 01, 2017 - of Selected Continuous Data Elements
Variable: DISCWT (NIS discharge weight)
Moments
N 4584 Sum Weights … Elements
Variable: N_DISC_U (Number of universe discharges in the stratum)
Moments
N 4584 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in the stratum)
Moments
N 4584 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in the stratum)
Moments
N 4584 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of sample hospitals in the stratum)
Moments
N 4584 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2016_Hospital.PDF
January 01, 2016 - of Selected Continuous Data Elements
Variable: DISCWT (NIS discharge weight)
Moments
N 4575 Sum Weights … Elements
Variable: N_DISC_U (Number of universe discharges in the stratum)
Moments
N 4575 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in the stratum)
Moments
N 4575 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in the stratum)
Moments
N 4575 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of sample hospitals in the stratum)
Moments
N 4575 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2015_Hospital.PDF
January 01, 2015 - of Selected Continuous Data Elements
Variable: DISCWT (NIS discharge weight)
Moments
N 4573 Sum Weights … Elements
Variable: N_DISC_U (Number of universe discharges in the stratum)
Moments
N 4573 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in the stratum)
Moments
N 4573 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in the stratum)
Moments
N 4573 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of sample hospitals in the stratum)
Moments
N 4573 Sum Weights
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2012_MaskedStats_Hospital.PDF
January 01, 2012 - of Selected Continuous Data Elements
Variable: DISCWT (NIS discharge weight)
Moments
N 4378 Sum Weights … Elements
Variable: N_DISC_U (Number of universe discharges in the stratum)
Moments
N 4378 Sum Weights … Data Elements
Variable: N_HOSP_U (Number of universe hospitals in the stratum)
Moments
N 4378 Sum Weights … Data Elements
Variable: S_DISC_U (Number of sample discharges in the stratum)
Moments
N 4378 Sum Weights … Data Elements
Variable: S_HOSP_U (Number of sample hospitals in the stratum)
Moments
N 4378 Sum Weights