-
hcup-us.ahrq.gov/reports/methods/NIS_Comparison_Report_2001.pdf
January 01, 2001 - Racial Composition of the U.S., NIS Sample, and NHDS Sample ...............................17
Table … Sample or universe Sample Sample
Sampling frame 33 states 50 states and the District of
Columbia … A sample of 112 PSUs was
selected. … Sample or universe Sample Universe
Sampling frame 33 states 50 states and the District of
Columbia … Racial Composition of the U.S., NIS Sample, and NHDS Sample
Race U.S.
-
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.
-
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).
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/1992-1988WTRECL.txt
January 01, 1992 - 17 N_HOSP_U 123 126 Num H:Num. universe hospitals in STRATUM
18 S_DISC_S 127 133 Num H:Num. sample … discharges in STRAT_ST
19 S_DISC_U 134 140 Num H:Num. sample discharges in STRATUM
20 S_HOSP_S … 141 143 Num H:Num. sample hospitals in STRAT_ST
21 S_HOSP_U 144 146 Num H:Num. sample hospitals
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_1997_HOSPITAL.txt
January 01, 1997 - Num H:Stratum used to post-stratify hospital
KID 1997 HOSPITAL 21 S_BRTH_U 107 112 Num H:Num. sample … 113 117 Num H:Pediatric non-births sampled
KID 1997 HOSPITAL 23 S_CHLD_U 118 123 Num H:Num. sample … S_CMPB 124 128 Num H:Complicated births sampled
KID 1997 HOSPITAL 25 S_CMPB_U 129 134 Num H:Num. sample … Num H:Num. samp. births, children in
STRATUM
KID 1997 HOSPITAL 27 S_HOSP_U 141 146 Num H:Num. sample … 147 151 Num H:Uncomplicated births sampled
KID 1997 HOSPITAL 29 S_UNCB_U 152 157 Num H:Num. sample
-
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.
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2015Introduction.pdf
December 01, 2017 - universe) ÷ Ns(sample)
where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … 21
that a 20 percent sample contains about 30 million records. … 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 … ED visit
information
from a
sample of
EDs
HCUP Nationwide Emergency
Department Sample (NEDS)
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/asthma-immunotherapy-2011_research.pdf
January 01, 2011 - for her statistical expertise in reliability testing; Susan Duval, Ph.D., for her help
estimating sample … Sample
size and optimal designs for reliability
studies. … (Mark the best responses):
A Crude prevalence in total sample Minor flaw
B Age adjusted prevalence … Size
Sample size justification. … Omitted Poor reporting
Prevalence in total sample
Crude prevalence in total sample Minor flaw
-
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.
-
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
-
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).
-
meps.ahrq.gov/data_stats/nhc/sam-fac2.pdf
September 30, 1997 - SS9-12 SAMPLE LAYOUT
Run sample selection algorithm and display line numbers for up to 3 selected sample … SELECT THE SAMPLE
AGAIN. … )
First Admission Sample Sizes.We will adjust the new admissions sample sizes when there
is a large … Sample Selection Algorithm. … If
Sample Size≥ Number Listed
then
Sample Size = Number Listed.
A2.
-
hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp
January 01, 2009 - Hospital Sample Design
Design Considerations
The overall design objective was to select a sample … In some instances, strata were collapsed for sample weight calculations. … summarize the final KID sample. … hospitals, and sample discharges. … "KID Sample Hospitals" lists the hospitals selected for the KID.
-
hcup-us.ahrq.gov/reports/methods/2006_9.pdf
January 01, 2006 - Racial Composition of the U.S., NIS Sample, and NHDS Sample, 2003......................23
Table 6. … Sample or universe Sample Sample
Sampling frame 37 states 50 states and the District of
Columbia … A sample of 112 PSUs was
selected. … Sample or universe Sample Universe
Sampling frame 37 states 50 states and the District of
Columbia … Racial Composition of the U.S., NIS Sample, and NHDS Sample, 2003
Race U.S.
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2000_HOSPITAL.TXT
January 01, 2000 - 20 years old or younger
KID 2000 HOSPITAL 32 S_BRTH_U 232 237 Num Number of sample … Pediatric non-births sampled
KID 2000 HOSPITAL 34 S_CHLD_U 243 248 Num Number of sample … Complicated births sampled
KID 2000 HOSPITAL 36 S_CMPB_U 254 259 Num Number of sample … children in KID_STRATUM
KID 2000 HOSPITAL 38 S_HOSP_U 266 269 Num Number of sample … Uncomplicated births sampled
KID 2000 HOSPITAL 40 S_UNCB_U 275 280 Num Number of sample
-
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
-
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
-
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
-
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
-
meps.ahrq.gov/data_stats/nhc_acronyms.shtml
December 31, 1996 - B was measured at January 1, 1996, for the January 1st sample and at the key admission date for persons … January 1st residents
The cross-sectional sample of persons who were resident in the NH on January … Keyfitz procedure
A statistical method for improving the efficiency of sample selection.