-
www.ahrq.gov/sites/default/files/wysiwyg/data/infographics/emergency-visits-opioids.pdf
April 02, 2025 - Infographic - More Opioid-Related Emergency Visits, No Change in Illicit Drug Use Treatment
This Is a Sample … for Healthcare Research and Quality, Healthcare Cost and Utilization Project, Nationwide Inpatient
Sample … and Nationwide Emergency Department Sample, 2017.
2014
177.7
18.3%
2015
*Change not
statistically
-
hcup-us.ahrq.gov/db/nation/nis/NIS_1999_HOSPITAL.pdf
January 01, 1999 - /172.16.18.243/db/nation/nis/nishospnotes.jsp
Description of Data Elements
Nationwide Inpatient Sample … Please refer
to the Overview of the Nationwide Inpatient Sample for specific information on
which states … and hospital weights, see the year-specific report on
the Design of the HCUP Nationwide Inpatient Sample … discharges in
STRATUM
6(n) Number of sample discharges in STRATUM
State Specific Notes
22 … S_HOSP_U - Number of sample hospitals in STRATUM
S_HOSP_U contains the number of sampled hospitals
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_2006_Introductionv4.pdf
January 01, 2006 - The main objective of a stratified sample is to ensure that the sample is
representative of the target … (universe) ÷ Ns(sample)
where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … A larger sample would be cumbersome for data users given that a 20% sample
contains over 25 million … The HCUP Nationwide Inpatient Sample (NIS) uses
the same stratified sample design, so techniques appropriate … HCUP Nationwide Emergency
Department Sample (NEDS)
Nationwide sample drawn from the
HCUP SID and
-
www.ahrq.gov/research/publications/pubcomguide/pcguide1ape.html
July 01, 2024 - Appendix 1E: How To Write a Shooting Script for Video (PDF, 1 MB) Sample Audio Script: Public Service … Announcement (Word, 33 KB) Sample Video Script: Public Service Announcement (Word, 34 KB) Sample
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2009Introductionv3.pdf
September 01, 2011 - (NIS), the NEDS is built using a 20%
stratified sample of institutions. … The NIS is a sample of U.S. hospitals; the NEDS is a sample of
U.S. hospital-based EDs. … A larger sample would be cumbersome for data users, given that a
20% sample contains over 29 million … The HCUP Nationwide Inpatient Sample (NIS) uses the same
stratified sample design, so techniques appropriate … of
hospital-
based EDs
HCUP Nationwide Emergency
Department Sample (NEDS)
Nationwide sample drawn
-
hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2000_HOSPITAL.pdf
January 01, 2000 - DataElements_NIS_2000_HOSPITAL.doc
Description of Data Elements
Nationwide Inpatient Sample … Please refer to the Overview of the Nationwide Inpatient
Sample for specific information on which states … HCUP NIS (5/23/02) Description of Data Elements 25
S_HOSP_U - Number of sample hospitals in … Uniform Values
Variable Description Value Value Description
S_HOSP_U Number of
sample
hospitals … in
NIS_STRATUM
nn Number of sample hospitals in
NIS_STRATUM
State Specific Notes
None
-
hcup-us.ahrq.gov/reports/methods/2006_3.pdf
January 01, 2006 - The KID sample was drawn from all hospitals within the sample frame using a
systematic random sample … The NHDS is a two-stage sample. … The NIS sample featured all discharges from
a sample of hospitals in this target universe. … The KID sample was 26 to 42 times larger than the pediatric NHDS
sample. … The KID
sample was larger than the NHDS pediatric sample by a factor of 26 to 217.
-
hcup-us.ahrq.gov/db/nation/nis/NIS_1998_Hospital.pdf
January 01, 1998 - and hospital weights, see the year-specific report on
the Design of the HCUP Nationwide Inpatient Sample … and hospital weights, see the year-specific report on the Design of the HCUP Nationwide
Inpatient Sample … the NIS sampling design, see the year-specific report on the Design of the
HCUP Nationwide Inpatient Sample … When sample size was sufficiently large, hospitals were stratified as public,
voluntary, and proprietary … General Notes
Uniform Values
Variable Description Value Value Description
S_DISC_U Number of sample
-
hcup-us.ahrq.gov/figures/nis_figure4_2008.jsp
January 01, 2008 - Figure 4: Number of Hospitals in the 2006 Universe, Frame, and Sample for Frame States … Figure 4: Number of Hospitals in the 2006 Universe, Frame, and Sample for Frame States
States … Hospitals in Universe
Number of Hospitals in Frame (and percent of universe)
Number of Hospitals in Sample
-
hcup-us.ahrq.gov/reports/methods/KIDComp1997Final.pdf
March 16, 2001 - Sample Weights
Sample weights were developed for the KID to obtain representative national estimates … sample. … All KID and NIS statistics used sample weights and accounted for the sample design using the SUDAAN … discharges from a sample of all
discharges. … Census Bureau, Washington, DC. 20233
Summary
Introduction
KID Data
KID Sample Design
Sample Weights
-
hcup-us.ahrq.gov/db/nation/kid/DataElements_KID_2003_HOSPITAL.pdf
January 01, 2003 - non-births in KID_STRATUM...................... 27
S_CMPB_U - Number of sample complicated births in … KID_STRATUM....................... 28
S_DISC_U - Number of sample discharges in KID_STRATUM ....... … ............................. 29
S_HOSP_U - Number of sample hospitals in KID_STRATUM............... … ....................... 30
S_UNCB_U - Number of sample uncomplicated births in KID_STRATUM ......... … KID_STRATUM
6(n) Number of sample births in
KID_STRATUM
State Specific Notes
None
HCUP KID
-
hcup-us.ahrq.gov/db/nation/kid/reports/KID_design_rpt_2003.jsp
January 01, 2003 - Sample Design
Design Considerations
The overall design objective was to select a sample of pediatric … Another strategy is to use sample weight adjustments to compensate for missing values. … "KID Sample Hospitals@ lists the hospitals selected for the KID. … In some instances, strata were collapsed for sample weight calculations. … Different methods are used for calculating variances under the two sample theories.
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2009.pdf
January 01, 2009 - (NIS), the NEDS is built using a 20%
stratified sample of institutions. … The NIS is a sample of U.S. hospitals; the NEDS is a sample of
U.S. hospital-based EDs. … A larger sample would be cumbersome for data users, given that a
20% sample contains over 29 million … The HCUP Nationwide Inpatient Sample (NIS) uses the same
stratified sample design, so techniques appropriate … of
hospital-
based EDs
HCUP Nationwide Emergency
Department Sample (NEDS)
Nationwide sample drawn
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2011Introduction01142014.pdf
November 01, 2015 - The NIS is a sample of U.S. hospitals; the NEDS is a sample of
U.S. hospital-based EDs. … (universe) ÷ Ns(sample)
where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … A larger sample would be cumbersome for data users, given that a
20% sample contains 29 million records … The HCUP Nationwide Inpatient Sample (NIS) uses the same
stratified sample design, so techniques appropriate … Sample (NEDS)
Nationwide sample drawn from the
HCUP SID and SEDD, stratified and
weighted to be
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2010Introductionv3.pdf
November 01, 2015 - The NIS is a sample of U.S. hospitals; the NEDS is a sample of
U.S. hospital-based EDs. … (universe) ÷ Ns(sample)
where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … A larger sample would be cumbersome for data users, given that a
20% sample contains over 29 million … The HCUP Nationwide Inpatient Sample (NIS) uses the same
stratified sample design, so techniques appropriate … Sample (NEDS)
Nationwide sample drawn from the
HCUP SID and SEDD, stratified and
weighted to be
-
hcup-us.ahrq.gov/figures/4_01.jsp
Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States
Figure … 4 : Number of Hospitals in the 2001 Universe, Frame, and Sample for Frame States
States
Number … of Hospitals in Universe
Number of Hospitals in Frame
Number of Hospitals in Sample
Percentage
-
hcup-us.ahrq.gov/figures/4_02.jsp
Figure 4 : Number of Hospitals in the 2003 Universe, Frame, and Sample for Frame States
Figure … 4 : Number of Hospitals in the 2002 Universe, Frame, and Sample for Frame States
States
Number … of Hospitals in Universe
Number of Hospitals in Frame
Number of Hospitals in Sample
Percentage
-
hcup-us.ahrq.gov/db/nation/nis/nistrends.jsp
May 01, 2015 - 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files and 1993-2011 NIS Trend … NIS-Trend Weights Files
1993-2011 NIS Trend Weights Files and 1993-2002 Nationwide Inpatient Sample … The 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files facilitate analysis … Discharge-Level Files
Internet Citation: 1993-2002 Nationwide Inpatient Sample
-
hcup-us.ahrq.gov/db/nation/kid/reports/KID_1997_Comparison.pdf
January 01, 1997 - HCUP KID (01/28/02) 4 Comparative Analysis
KID Sample Design
The KID is a stratified probability sample … Sample Weights
Sample weights were developed for the KID to obtain representative national estimates … sample. … All KID and NIS statistics used sample weights and accounted for the sample design using the SUDAAN
microcomputer … The pediatric NHDS is less than 4 percent
the size of the KID sample, and as a result the number of sample
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2014Introduction.pdf
December 12, 2016 - universe) ÷ Ns(sample)
where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … A larger sample would be cumbersome for data users, given
that a 20 percent sample contains about 30 … The HCUP Nationwide Inpatient Sample
(NIS) prior to 2012 used stratified sample design similar to the … The HCUP Nationwide Inpatient Sample (NIS) prior to 2012 used stratified
sample design similar to the … of
EDs
HCUP Nationwide Emergency
Department Sample (NEDS)
Nationwide sample drawn from the
HCUP