-
digital.ahrq.gov/sites/default/files/docs/citation/r21hs021544-zhou-final-report-2014.pdf
January 01, 2014 - To assess the system performance, we randomly selected two samples of
patients who visited the two clinics … To assess the system performance, we selected two
randomized patients’ samples who visited the two clinics
-
digital.ahrq.gov/sites/default/files/docs/publication/uc1hs015052-stuen-final-report-2008.pdf
January 01, 2008 - Paired samples t-tests were conducted to
determine if there were significant changes from pre- to post-service … Paired samples t-tests for provider ratings showed a
similar trend with significantly higher provider
-
hcup-us.ahrq.gov/news/exhibit_booth/neds_brochure.jsp
May 01, 2018 - Nationwide Emergency Department Sample (NEDS)
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
Email…
-
hcup-us.ahrq.gov/news/exhibit_booth/nis_brochure.jsp
May 01, 2018 - National (Nationwide) Inpatient Sample (NIS)
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
Email …
-
hcup-us.ahrq.gov/db/nation/nass/NASSIntroduction2021.pdf
April 01, 2024 - Introduction To The HCUP Nationwide Ambulatory Surgery Sample
HEALTHCARE COST AND UTILIZATION PROJECT — HCUP
A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA
Sponsored by the Agency for Healthcare Research and Quality
INTRODUCTION TO
THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS)
2021
…
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2009.jsp
January 01, 2009 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State … The two samples could be combined to form a single, generalizable 20% subsample of discharges. … an equal probability of selection for the sample, regardless of whether they appeared in prior NIS samples … This deviates from the procedure used for earlier samples, which maximized the longitudinal component … For a description of zero-weight hospitals in the 1988-1992 samples, refer to the special report: Design
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2003_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2003 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: NIS 2003 - 10PCT_SAMPLE_A File 1
Means o…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2004_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2004 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: NIS 2004 - 10PCT_SAMPLE_A File 1
Means o…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2001 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: NIS 2001 - 10PCT_SAMPLE_A File 1
Means o…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2002_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2002 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: NIS 2002 - 10PCT_SAMPLE_A File 1
Means o…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_SummaryStats_10PCT_SAMPLE_A.PDF
January 01, 2000 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: NIS 2000 - 10PCT_SAMPLE_A File 1
Means o…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2004_10PCT_SAMPLE_A.TXT
January 01, 2004 - Data Set Name: NIS_2004_10PCT_SAMPLE_A
Number of Observations: 800457
Total Record Length: 506
Total Number of Variables: 126
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- 59 Variable name
61- 63 …
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_10PCT_SAMPLE_A.TXT
January 01, 2002 - Data Set Name: NIS_2002_10PCT_SAMPLE_A
Number of Observations: 785398
Total Record Length: 490
Total Number of Variables: 116
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- 49 Variable name
51- 53 …
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_10PCT_SAMPLE_B.TXT
January 01, 2001 - Data Set Name: NIS_2001_10PCT_SAMPLE_B
Number of Observations: 745273
Total Record Length: 483
Total Number of Variables: 115
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- 49 Variable nam…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2003_10PCT_SAMPLE_A.TXT
January 01, 2003 - Data Set Name: NIS_2003_10PCT_SAMPLE_A
Number of Observations: 797773
Total Record Length: 505
Total Number of Variables: 126
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- 59 Variable name
61- 63 …
-
www.ahrq.gov/sites/default/files/wysiwyg/research/findings/nhqrdr/2018qdr-datasources.pdf
October 01, 2019 - The plan samples are not adjusted for unequal
probabilities of selection. … NHAMCS uses a 4-stage
probability design that involves samples of primary sampling units (PSUs), hospitals … Population Targeted
NHANES samples the U.S. civilian noninstitutionalized resident population of the … local geographic areas (which together make up the United
States), the NIS draws independent quarterly samples … Schedule
Quarterly samples, reported annually.
-
www.ahrq.gov/sites/default/files/wysiwyg/research/findings/nhqrdr/2022qdr-datasources.pdf
December 01, 2022 - The plan samples are not adjusted for unequal
probabilities of selection. … Population Targeted
NHANES samples the noninstitutionalized civilian resident population of the United … NHAMCS uses a 4-stage probability
design that involves samples of primary sampling units (PSUs), hospitals … local geographic areas (which together make up the United
States), NIS draws independent quarterly samples … Data Collection Schedule
Quarterly samples, reported annually
Geographic Estimates
National, state
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2008.jsp
January 01, 2008 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State … The two samples could be combined to form a single, generalizable 20% subsample of discharges. … an equal probability of selection for the sample, regardless of whether they appeared in prior NIS samples … This deviates from the procedure used for earlier samples, which maximized the longitudinal component … For a description of zero-weight hospitals in the 1988-1992 samples, refer to the special report: Design
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2007.jsp
January 01, 2007 - However, these NIS samples were not designed to yield a representative sample of hospitals at the State … The two samples could be combined to form a single, generalizable 20% subsample of discharges. … an equal probability of selection for the sample, regardless of whether they appeared in prior NIS samples … This deviates from the procedure used for earlier samples, which maximized the longitudinal component … For a description of zero-weight hospitals in the 1988-1992 samples, refer to the special report: Design
-
www.ahrq.gov/ncepcr/tools/transform-qi/deliver-facilitation/modules/resources.html
July 01, 2022 - This article from the British Medical Journal on the value of small samples sizes in rapid-cycle