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hcup-us.ahrq.gov/HCUP_Overview/HCUP_Overview/index508.jsp
October 01, 2022 - Sample Size
The NIS contains a sample of over 7 million hospital discharge records taken from more … the Nationwide Inpatient Sample. … " Inpatient Sample (NIS). … Sample
The NIS is a sample of discharges while the SID includes all discharges from all or nearly all … Sample vs.
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hcup-us.ahrq.gov/reports/methods/2018-01.pdf
January 01, 2018 - HCUP Nationwide Emergency Department Sample (NEDS). … In addition, the 20 percent sample of the hospitals in the HCUP
Nationwide Inpatient Sample (NIS) did … (which was redesigned with a new sample strategy that selects
a sample of discharge records from all … n(g) = Number in the sample for cell g. … n(g) = Number in the sample for cell g.
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hcup-us.ahrq.gov/db/nation/nis/NIS94_Overview_122104.pdf
November 01, 2015 - Agency for Healthcare Research and Quality
OVERVIEW OF
THE HCUP NATIONWIDE INPATIENT SAMPLE … ................................................................... 2
HCUP NATIONWIDE INPATIENT SAMPLE … .................................................... 3
Correction to the 1993 Nationwide Inpatient Sample … HCUP-3 Nationwide Inpatient Sample (NIS), Release 3
ABSTRACT
The Nationwide Inpatient Sample … NIS, Release 3 approximates a 20 percent sample of U.S. community hospitals for 1994.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Sources_and_Restrictions_2000.pdf
January 01, 2000 - GA GHA: An Association of Hospitals & Health Systems
Confidentiality of Hospitals
The sample … ethnicity
HI Hawaii Health Information Corporation
Confidentiality of Hospitals
The sample … IL Illinois Health Care Cost Containment Council
Confidentiality of Hospitals
The sample … restrictions
MO Hospital Industry Data Institute
Confidentiality of Hospitals
The sample … VA Virginia Health Information
Confidentiality of Hospitals
The Nationwide Inpatient Sample
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hcup-us.ahrq.gov/reports/statbriefs/sb177-Hospitalizations-for-Opioid-Overuse.jsp
August 01, 2014 - Databases (SID) that was designed to provide national estimates using weighted records from a sample … on hospitals, is a separate file from the 2012 National Inpatient Sample (NIS), which uses a sampling … The NIS is a sample of hospitals and includes all patients from each hospital, regardless of payer. … Final Report on Calculating Nationwide Inpatient Sample (NIS) Variances, 2001. … Using the HCUP Nationwide Inpatient Sample to Estimate Trends. (Updated for 1988-2004).
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hcup-us.ahrq.gov/reports/methods/2017-03.pdf
January 01, 2017 - HCUP Nationwide Emergency Department Sample (NEDS). … In addition, the 20 percent sample of the hospitals in the HCUP Nationwide Inpatient
Sample (NIS) did … (which was redesigned with a new sample strategy that selects
a sample of discharge records from all … n(g) = Number in the sample for cell g. … n(g) = Number in the sample for cell g.
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/1996RECLWT.txt
February 12, 1998 - 28 STRAT_ST 219 223 Num H:Stratum for state-specific weights
29 S_DISC_S 224 230 Num H:Num. sample … discharges in STRAT_ST
30 S_DISC_U 231 237 Num H:Num. sample discharges in STRATUM
31 S_HOSP_S … 238 240 Num H:Num. sample hospitals in STRAT_ST
32 S_HOSP_U 241 243 Num H:Num. sample hospitals
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/1997RECLWT.txt
November 12, 1999 - 28 STRAT_ST 219 223 Num H:Stratum for state-specific weights
29 S_DISC_S 224 230 Num H:Num. sample … discharges in STRAT_ST
30 S_DISC_U 231 237 Num H:Num. sample discharges in STRATUM
31 S_HOSP_S … 238 240 Num H:Num. sample hospitals in STRAT_ST
32 S_HOSP_U 241 243 Num H:Num. sample hospitals
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/1994RECLWT.txt
December 06, 1996 - 219 223 Num H:Stratum for state-specific weights
29 S_DISC_S 224 230 Num H:Num. sample … discharges in STRAT_ST
30 S_DISC_U 231 237 Num H:Num. sample discharges in STRATUM
31 S_HOSP_S … 238 240 Num H:Num. sample hospitals in STRAT_ST
32 S_HOSP_U 241 243 Num H:Num. sample hospitals
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/1995RECLWT.txt
February 12, 1998 - 28 STRAT_ST 219 223 Num H:Stratum for state-specific weights
29 S_DISC_S 224 230 Num H:Num. sample … discharges in STRAT_ST
30 S_DISC_U 231 237 Num H:Num. sample discharges in STRATUM
31 S_HOSP_S … 238 240 Num H:Num. sample hospitals in STRAT_ST
32 S_HOSP_U 241 243 Num H:Num. sample hospitals
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hcup-us.ahrq.gov/news/exhibit_booth/HCUPOverviewPresentation2020Update.pdf
April 01, 2020 - Databases
Nationwide
Readmissions
Database (NRD)
Nationwide Ambulatory
Surgery Sample
(NASS) … NEDS: Sample of hospital-owned EDs* from all SEDD
and includes all ED admissions from the SID for the … State
Ambulatory
Surgery and
Services
Databases
(SASD)
NIS: Sample inpatient discharges of all … ages
from all SID and community hospitals*
KID: Sample inpatient discharges aged <= 20 years
old … of
Discharges from the SID
Stratified Sample
of Discharges
*State not included in the
stratum
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hcup-us.ahrq.gov/overview.jsp
February 01, 2022 - HCUP databases include:
The National (Nationwide) Inpatient Sample (NIS) containing data on more … The Kids' Inpatient Database (KID) is a nationwide sample of pediatric inpatient discharges. … Nationwide Ambulatory Surgery Sample (NASS) is a set of ambulatory surgery databases. … The Nationwide Emergency Department Sample (NEDS) is a database that yields national estimates of emergency
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hcup-us.ahrq.gov/db/vars/discwt10/nisnote.jsp
September 01, 2008 - DATA QUERY TOOLS
NIS Description of Data Elements
DISCWT10 - 10% sample … Specific Notes
General Notes
DISCWT10 is the discharge-level weight on the 10% NIS Sample … discharge and hospital weights, see the year-specific report on the Design of the HCUP Nationwide Inpatient Sample … Top
Uniform Values
Variable Description Value Value Description DISCWT10 10% sample … weight to discharges in the universe nnn.nnnn 10% sample weight to discharges in the universe.
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hcup-us.ahrq.gov/db/vars/d10cwt_u/nisnote.jsp
September 10, 2008 - DATA QUERY TOOLS
NIS Description of Data Elements
D10CWT_U - 10% sample … Specific Notes
General Notes
D10CWT_U is the discharge-level weight on the 10% NIS Sample … discharge and hospital weights, see the year-specific report on the Design of the HCUP Nationwide Inpatient Sample … Top
Uniform Values
Variable Description Value Value Description D10CWT_U 10% sample … weight to discharges in the universe nnn.nnnn 10% sample weight to discharges in the universe
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hcup-us.ahrq.gov/reports/methods/2016-01.pdf
January 01, 2016 - HCUP Nationwide Emergency Department Sample (NEDS). … In addition, the 20 percent sample of the hospitals in the HCUP
Nationwide Inpatient Sample (NIS) did … (which was redesigned with a new sample strategy that selects
a sample of discharge records from all … n(g) = Number in the sample for cell g. … n(g) = Number in the sample for cell g.
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hcup-us.ahrq.gov/reports/statbriefs/sb171-Operating-Room-Procedure-Trends.jsp
March 01, 2014 - data from the Healthcare Cost and Utilization Project (HCUP) 2001 through 2011 Nationwide Inpatient Sample … community hospital, the discharge record for that stay will be included in the Nationwide Inpatient Sample … The NIS is a sample of hospitals and includes all patients from each hospital, regardless of payer. … Database (KID), the Nationwide Emergency Department Sample (NEDS), the State Inpatient Databases (SID … Final Report on Calculating Nationwide Inpatient Sample (NIS) Variances, 2001.
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hcup-us.ahrq.gov/reports/methods/2004_6_appendix_D.pdf
January 01, 2004 - For the NHDS, estimates based on a sample size less than 60 records were surpressed. … For the NHDS, estimates based on a sample size less than 60 records were surpressed. … For the NHDS, estimates based on a sample size less than 60 records were surpressed. … For the NHDS, estimates based on a sample size less than 60 records were surpressed. … Estimates for the total U.S. are from the HCUP
Nationwide Inpatient Sample (NIS).
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hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS41995Final.pdf
December 21, 1998 - sample. … Since the NHDS estimate was based on a sample, two-sample t-
tests were used, as described in the Appendix … All NIS statistics used sample weights and accounted for the sample design using the SUDAAN
microcomputer … This is expected because the sample of
NIS hospitals was stratified on most of these variables, and sample … Sample or
Universe
Sample Sample
Sampling Frame 19 states 50 states and the District of Columbia
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hcup-us.ahrq.gov/reports/natstats/his96/clinclas.htm
September 01, 1999 - The NIS approximates a 20-percent sample of U.S. … Nationwide Inpatient Sample (NIS) . … The NIS is designed to be a 20-percent sample of U.S. … The HCUP sample is a stratified probability sample of
hospitals in the frame, with sampling probabilities … Study sample
The entire sample of NIS discharges for 1996 was used for this study (N =
6,542,069).
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hcup-us.ahrq.gov/db/nation/nrd/stats/MaskedStats_NRD_2019_Hospital.PDF
January 01, 2019 - Number of universe hospitals in
NRD_STRATUM 2,507 0 5.00 351.00 87.66 65 219,773
S_DISC_U : Number of sample … October 8, 2021 8
Univariates of Selected Continuous Data Elements
Variable: S_DISC_U (Number of sample … October 8, 2021 9
Univariates of Selected Continuous Data Elements
Variable: S_DISC_U (Number of sample … October 8, 2021 10
Univariates of Selected Continuous Data Elements
Variable: S_HOSP_U (Number of sample … October 8, 2021 11
Univariates of Selected Continuous Data Elements
Variable: S_HOSP_U (Number of sample