-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2009.jsp
January 01, 2009 - This file is available in all years of the NIS. … This file is available in all years of the NIS. … Estimates from earlier years of the NIS may be subject to more sampling bias than later years of the … of the hospitals in the NIS for any one of those years. … coded 0-124 years
AGEDAY
1988-2009
Age in days coded 0-365 only when the age in years
-
hcup-us.ahrq.gov/db/nation/nis/NISvariables1988-2014forHCUP-US.pdf
October 14, 2016 - at admission coded 0-90 years (0-124 years prior to 2012) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes … The remaining columns refer to data years. … The remaining columns refer to data years. … The remaining columns refer to data years. … The remaining columns refer to data years.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1994_Design_Report.jsp
January 01, 1994 - The NIS, Release 1 covers calendar years 1988-1992. … States in the Frame for the NIS, Release 1; NIS, Release 2; and NIS, Release 3
Years
States in … Now consider the case where the probability of selection decreased between years 1 and 2. … Number of Hospitals and Discharges in Longitudinal Cohort
Number of Years
Calendar Years
Longitudinal … are a subset of the hospitals in the NIS for any one of those years.
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1995_Design_Report.jsp
January 01, 1995 - The NIS, Release 1 covers calendar years 1988-1992. … Now consider the case where the probability of selection decreased between years 1 and 2. … Third, hospitals that were in the frame for both years 1 and 2, but not selected for the year 1 sample … Number of Hospitals and Discharges in Longitudinal Cohort
Number of Years
Calendar Years
Longitudinal … are a subset of the hospitals in the NIS for any one of those years.
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2012.jsp
January 01, 2012 - For prior years, the NIS was a sample of hospitals . … This file is available in all years of the NIS. … This file is available in all years of the NIS. … Estimates from earlier years of the NIS may be subject to more sampling bias than later years of the … September, rather than for calendar years.
-
hcup-us.ahrq.gov/datainnovations/clinicaldata/ExampleofUsingPOA-CMSHACsusingall-payerdata.pdf
July 01, 2011 - Method
The analysis focuses on non-maternity hospital stays for adults (18 years and older. … interest (Medicaid, private pay or
older age group) by the reference group rate (Medicare or 18-44 years … For example, those 85 years
and older had nearly six times the rate of CMS HACs for falls and trauma … Groups Relative to Young Adults, in Selected Community Hospitals in 15
States, 2008±
± Adults 18 years … Vascular catheter-associated infection
Age-specific discharge rate relative to 18-44 year olds
85 years
-
hcup-us.ahrq.gov/reports/statbriefs/sb109.jsp
April 01, 2011 - outcomes
Among inpatient stays with drug-related adverse outcomes, the mean patient age was 62.8 years … ) than that of patients with adverse effects (63.7 years). … Over the five years between 2004 and 2008, there was a 52 percent increase in drug-related adverse outcomes … A similar pattern was observed in treat-and-release ED cases, although the mean age of 39.4 years … In addition, NIS data are standardized across years to facilitate ease of use.
-
hcup-us.ahrq.gov/reports/statbriefs/sb153.jsp
April 01, 2013 - This is a bar chart showing percent readmitted by age in years and by expected payer. … The highest readmission rates were seen for patients aged 18-44 years (22.6 percent) and 45-64 years … This is a bar chart showing percent readmitted by age in years and by expected payer. … aged 65 years and older (20.6 percent) and 45-64 years (19.9 percent). … The highest readmission rate was for children aged 1-17 years (25.5 percent).
-
hcup-us.ahrq.gov/reports/statbriefs/sb153.pdf
March 01, 2013 - by age and insurance status, U.S. hospitals, 2010
P
e
rc
e
n
t
re
a
d
m
it
te
d
Age (in years … The highest readmission rates were seen for
patients aged 18–44 years (22.6 percent) and 45–64 years … The highest readmission rate
was for patients aged 18–44 years (22.6 percent), followed closely by patients … aged 65 years and older
(20.6 percent) and 45–64 years (19.9 percent). … The highest readmission rate was for children
aged 1–17 years (25.5 percent).
-
hcup-us.ahrq.gov/reports/methods/2011_04.pdf
January 01, 2011 - Microsoft Word - 2011_04.docx
HCUP Methods Series
kbr33831
Contact Information:
Healthcare Cost and Utilization Project (HCUP)
Agency for Healthcare Research and Quality
540 Gaither Road
Rockville, MD 20850
http://www.hcup-us.ahrq.gov
For Technical Assistance with HCUP Products:
Email: hcup@ahr…
-
hcup-us.ahrq.gov/db/vars/dispub92/nisnote.jsp
January 01, 2004 - For all other years, records with the disposition "09" were considered to have a different definition
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2022_IP.TXT
January 01, 2022 - Data Set Name: NEDS_2022_IP
Number of Observations: 4726449
Total Number of Data Elements: 370
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
47 …
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2021_IP.TXT
January 01, 2021 - Data Set Name: NEDS_2021_IP
Number of Observations: 4635917
Total Number of Data Elements: 370
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
47 …
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2020_IP.TXT
January 01, 2020 - Data Set Name: NEDS_2020_IP
Number of Observations: 4588116
Total Number of Data Elements: 370
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name…
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2019_IP.TXT
January 01, 2019 - Data Set Name: NEDS_2019_IP
Number of Observations: 4743410
Total Number of Data Elements: 369
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
47 …
-
hcup-us.ahrq.gov/reports/statbriefs/sb249-appendix.pdf
December 25, 2022 - 1
Agency for Healthcare Research and Quality, Healthcare Cost and Utilization Project, Statistical
Brief #249: Inpatient Stays Involving Mental and Substance Use Disorders, 2016 (Owens PL,
Fingar KR, McDermott KW, Muhuri PK, Heslin KC)
APPENDIX B: ICD-10-CM codes defining mental and substance use disorders, by…
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2022_DX_PR_GRPS.TXT
January 01, 2022 - Data Set Name: NEDS_2022_DX_PR_GRPS
Number of Observations: 32298120
Total Number of Data Elements: 568
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
47 …
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2018_DX_PR_GRPS.TXT
January 01, 2018 - Data Set Name: NEDS_2018_DX_PR_GRPS
Number of Observations: 35807950
Total Number of Data Elements: 544
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
47 …
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2019_DX_PR_GRPS.TXT
January 01, 2019 - Data Set Name: NEDS_2019_DX_PR_GRPS
Number of Observations: 33147251
Total Number of Data Elements: 565
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
47 …
-
hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2021_DX_PR_GRPS.TXT
January 01, 2021 - Data Set Name: NEDS_2021_DX_PR_GRPS
Number of Observations: 30099368
Total Number of Data Elements: 568
Columns Description
======== ===========
1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
47 …