-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2005.jsp
January 01, 2005 - See the report, Using the HCUP Nationwide Inpatient Sample to Estimate Trends , available on the HCUP … Calculating Nationwide Inpatient Sample Variances
Using the HCUP Nationwide Inpatient Sample to Estimate … be Used to Make State-Level Estimates
AHRQ strongly advises researchers against using the NIS to estimate
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2004.jsp
January 01, 2004 - of time trends are recommended from 1993 forward; see Using the HCUP Nationwide Inpatient Sample to Estimate … Calculating Nationwide Inpatient Sample Variances (PDF file)
Using the HCUP Nationwide Inpatient Sample to Estimate … be Used to Make State-Level Estimates
AHRQ strongly advises researchers against using the NIS to estimate
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_2007_Introduction_v5.pdf
January 01, 2007 - We estimate that a researcher needs 75 to 100 GB of
space to work comfortably with the NEDS files. … This is the case because the population is defined at that point in time
and because the estimate is … In each iteration, the outcome of
interest is predicted for one-tenth of the observations by an estimate … For the
upper range of visits in the survey (16 or more ED visits), 16 ED visits were used for the estimate
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2007v2.jsp
November 01, 2015 - We estimate that a researcher needs 75 to 100 GB of space to work comfortably with the NEDS files. … This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate … For the upper range of visits in the survey (16 or more ED visits), 16 ED visits were used for the estimate
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2007v2IntroductionRevised.pdf
November 01, 2015 - We estimate that a researcher needs 75 to 100 GB of
space to work comfortably with the NEDS files. … This is the case because the population is defined at that point in time
and because the estimate is … In each iteration, the outcome of
interest is predicted for one-tenth of the observations by an estimate … For the
upper range of visits in the survey (16 or more ED visits), 16 ED visits were used for the estimate
-
hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2017.jsp
January 01, 2017 - This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate
-
hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or34.pdf
October 11, 2013 - misclassification
on death certificates, life tables have not be
available for AI/ANs
• Only published estimate
-
hcup-us.ahrq.gov/db/vars/uncbwtcharge/kidnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs…
-
hcup-us.ahrq.gov/figures/fig2_03.jsp
January 01, 1999 - Figure 2. Estimated Discharges from Public Hospitals, 2003
Figure 2. Estimated Discharges from Public Hospitals, 2003
Hospital Beds
Discharges (thousands)
AHA
NIS
NHDS
1-99
1,156
1,133
1,236
100-199
866
633
893
200-299
701
617
501
300-499
1,297…
-
hcup-us.ahrq.gov/figures/fig1crpt_02.jsp
January 01, 1999 - Figure 2. Estimated Discharges from Public Hospitals, 2002
Figure 2. Estimated Discharges from Public Hospitals, 2002
Hospital Beds
Discharges (thousands)
AHA
NIS
NHDS
1-99
1,156
1,133
1,236
100-199
866
633
893
200-299
701
617
501
300-499
1,297…
-
hcup-us.ahrq.gov/figures/fig1crpt_01.jsp
January 01, 1999 - Figure 2. Estimated Discharges from Public Hospitals, 2001
Figure 2. Estimated Discharges from Public Hospitals, 2001
Hospital Beds
Discharges (thousands)
AHA
NIS
NHDS
1-99
2,665
2,876
5,251
100-199
5,178
5,234
7,884
200-299
5,303
5,307
4,971
300…
-
hcup-us.ahrq.gov/db/nation/neds/IntroductionNEDS2012_updatedJan2019.pdf
February 01, 2012 - Both versions of the NEDS provide a weighted estimate 131.0 million ED
visits in the United States in … This is the case because the population is defined at that point in time
and because the estimate is … In each iteration, the outcome of
interest is predicted for one-tenth of the observations by an estimate … For the upper range of visits in the survey (16 or more ED visits), 16 ED
visits were used for the estimate
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2012.jsp
January 01, 2012 - Both versions of the NEDS provide a weighted estimate 131.0 million ED visits in the United States in … This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate … For the upper range of visits in the survey (16 or more ED visits), 16 ED visits were used for the estimate
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2003_v7.pdf
January 01, 2003 - of time trends are recommended from
1993 forward; see Using the HCUP Nationwide Inpatient Sample to Estimate … Nationwide Inpatient Sample Variances (PDF file)
Using the HCUP Nationwide Inpatient Sample to Estimate … Used to Make State-Level Estimates
AHRQ strongly advises researchers against using the NIS to estimate
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1995_SummaryStats.PDF
January 01, 1995 - 2919672 Pr >= |M| <.0001
Signed Rank S 8.524E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3278773 Pr >= |M| <.0001
Signed Rank S 1.075E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … UNIVARIATE Procedure
Variable: LOS (I:Length of stay (cleaned))
Quantiles (Definition 5)
Quantile Estimate … 3287430 Pr >= |M| <.0001
Signed Rank S 1.081E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3280135 Pr >= |M| <.0001
Signed Rank S 1.076E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1993_SummaryStats.PDF
January 01, 1993 - 2841073 Pr >= |M| <.0001
Signed Rank S 8.072E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3203484 Pr >= |M| <.0001
Signed Rank S 1.026E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … UNIVARIATE Procedure
Variable: LOS (I:Length of stay (cleaned))
Quantiles (Definition 5)
Quantile Estimate … 3206523 Pr >= |M| <.0001
Signed Rank S 1.028E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3175796 Pr >= |M| <.0001
Signed Rank S 1.009E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1996_SummaryStats.PDF
January 01, 1996 - 2850431 Pr >= |M| <.0001
Signed Rank S 8.125E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3197233 Pr >= |M| <.0001
Signed Rank S 1.022E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … UNIVARIATE Procedure
Variable: LOS (I:Length of stay (cleaned))
Quantiles (Definition 5)
Quantile Estimate … 3205387 Pr >= |M| <.0001
Signed Rank S 1.027E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3271035 Pr >= |M| <.0001
Signed Rank S 1.07E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1997_SummaryStats.PDF
January 01, 1997 - 3114511 Pr >= |M| <.0001
Signed Rank S 9.7E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3500556 Pr >= |M| <.0001
Signed Rank S 1.225E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … UNIVARIATE Procedure
Variable: LOS (I:Length of stay (cleaned))
Quantiles (Definition 5)
Quantile Estimate … 3512780 Pr >= |M| <.0001
Signed Rank S 1.234E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3505444 Pr >= |M| <.0001
Signed Rank S 1.229E13 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1994_SummaryStats.PDF
January 01, 1994 - 2771015 Pr >= |M| <.0001
Signed Rank S 7.679E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3122306 Pr >= |M| <.0001
Signed Rank S 9.749E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … UNIVARIATE Procedure
Variable: LOS (I:Length of stay (cleaned))
Quantiles (Definition 5)
Quantile Estimate … 3129024 Pr >= |M| <.0001
Signed Rank S 9.791E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate … 3111465 Pr >= |M| <.0001
Signed Rank S 9.681E12 Pr >= |S| <.0001
Quantiles (Definition 5)
Quantile Estimate
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2006.jsp
January 01, 2006 - We estimate that a researcher needs 75 to 100 GB of space to work comfortably with the NEDS files. … This is the case because the population is defined at that point in time and because the estimate is … In each iteration, the outcome of interest is predicted for one-tenth of the observations by an estimate