-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2020_Core_MaskedStats.PDF
January 01, 2020 - Kurtosis 1.70195629
Uncorrected SS 587933063 Corrected SS 45881932.4
Coeff Variation 29.0938189 Std Error … Kurtosis -0.9049012
Uncorrected SS 6.85707E10 Corrected SS 1.58609E10
Coeff Variation 54.8551471 Std Error … Kurtosis 486.584188
Uncorrected SS 2.67292E15 Corrected SS 1.88437E15
Coeff Variation 154.585435 Std Error
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2021_Core_MaskedStats.PDF
January 01, 2021 - Kurtosis 2.50382651
Uncorrected SS 578777293 Corrected SS 43186162.1
Coeff Variation 28.3958991 Std Error … Kurtosis -0.9449544
Uncorrected SS 7.24702E10 Corrected SS 1.76328E10
Coeff Variation 56.7050946 Std Error … Kurtosis 444.172104
Uncorrected SS 3.19353E15 Corrected SS 2.27887E15
Coeff Variation 157.844335 Std Error
-
hcup-us.ahrq.gov/db/nation/nis/corrections_2011.jsp
January 01, 2011 - This error would prevent the Inpatient Core File (NIS_2011_Core) from being correctly merged with the
-
hcup-us.ahrq.gov/spssload/spssload_search.jsp
August 01, 2025 - Once truncated, the variables names may no longer be unique and may cause error messages.
-
hcup-us.ahrq.gov/reports/natstats/his96/clinclas.htm
September 01, 1999 - summarized the literature on coding errors for hospital administrative data and
described a decline in error … Information on age and sex was most
reliable (error rates less than 1 percent), and principal diagnosis … discharges is required to assure, with 95-percent confidence, that the
reported proportions had a relative error … of less than 30 percent (i.e., if the
reported value is p , the error is <.3p ).
-
hcup-us.ahrq.gov/db/nation/nrd/stats/MaskedStats_NRD_2015_Core.PDF
January 01, 2015 - Kurtosis -0.6435908
Uncorrected SS 5.95509E10 Corrected SS 1.04003E10
Coeff Variation 46.000108 Std Error … Kurtosis 347.407334
Uncorrected SS 1345635840 Corrected SS 936987230
Coeff Variation 151.422996 Std Error … Kurtosis 310.686339
Uncorrected SS 1.64094E17 Corrected SS 1.24092E17
Coeff Variation 176.127137 Std Error … Kurtosis 62.679273
Uncorrected SS 109250903 Corrected SS 35255574.6
Coeff Variation 69.0258495 Std Error
-
hcup-us.ahrq.gov/db/nation/nis/corrections_1988_1992.jsp
May 01, 2015 - These programs have an error in the SPSS code and need the following corrections.
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2018_Core_MaskedStats.PDF
January 01, 2018 - Kurtosis 2.05665475
Uncorrected SS 626566621 Corrected SS 51856996.5
Coeff Variation 30.0385836 Std Error … Kurtosis -0.9558808
Uncorrected SS 8.13984E10 Corrected SS 2.18772E10
Coeff Variation 60.6261153 Std Error … Kurtosis 336.983887
Uncorrected SS 1.72784E15 Corrected SS 1.18927E15
Coeff Variation 148.599412 Std Error
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2015_Core_MaskedStats.PDF
January 01, 2015 - Kurtosis 8.7654151
Uncorrected SS 706302194 Corrected SS 32375125.4
Coeff Variation 21.9179174 Std Error … Kurtosis -0.8971799
Uncorrected SS 6.72737E10 Corrected SS 1.83603E10
Coeff Variation 61.266844 Std Error … Kurtosis 237.359624
Uncorrected SS 8.90642E14 Corrected SS 6.16225E14
Coeff Variation 149.852413 Std Error
-
hcup-us.ahrq.gov/db/nation/nis/corrections_1993.jsp
January 01, 1993 - 2011 HCUP NIS Data
Correction for New Jersey Diagnoses
Background
A programming error
-
hcup-us.ahrq.gov/reports/methods/2004_6_appendix_D.pdf
January 01, 2004 - discharges was required to assure with 95% confidence that the reported proportion
has a relative error … sample size was at least 60 records, then the estimate was reported only if
the relative standard error … discharges was required to assure with 95% confidence that the reported proportion has a
relative error … sample size was at least 60 records, then the estimate was reported only if the relative
standard error … discharges was required to assure with 95% confidence that the reported proportion has a relative
error
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2015_Core.PDF
January 01, 2015 - Kurtosis -0.9659034
Uncorrected SS 2.24847E10 Corrected SS 5428980199
Coeff Variation 56.418769 Std Error … Kurtosis 318.30542
Uncorrected SS 490569523 Corrected SS 337757562
Coeff Variation 148.67019 Std Error … Kurtosis 390.68131
Uncorrected SS 6.11682E16 Corrected SS 4.75223E16
Coeff Variation 186.615531 Std Error … Kurtosis 1080.60746
Uncorrected SS 178849695 Corrected SS 0.08736785
Coeff Variation 0.0022102 Std Error
-
hcup-us.ahrq.gov/db/nation/nis/corrections_1994_1997.jsp
January 01, 1994 - NIS Database Documentation - Corrections 1994-1997
An official website of the Department of Health & Human Services
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FAQs
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-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/hi31.pdf
March 23, 2010 - investment
– HL7 interface
– $0 (open source)
– Commercial solution cost more
• New data feed
– Error
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2019_Core_MaskedStats.PDF
January 01, 2019 - Kurtosis 3.3264942
Uncorrected SS 669057075 Corrected SS 48407715.7
Coeff Variation 27.9276341 Std Error … Kurtosis -0.9582575
Uncorrected SS 7.78702E10 Corrected SS 1.9964E10
Coeff Variation 58.7167481 Std Error … Kurtosis 234.755144
Uncorrected SS 2.43352E15 Corrected SS 1.68627E15
Coeff Variation 150.22098 Std Error
-
hcup-us.ahrq.gov/reports/statbriefs/sb19.pdf
November 01, 2006 - Note: Statistics based on estimates with a relative standard error (standard error/weighted estimate) … greater than 0.30 or with standard error = 0 are
not reliable.
-
hcup-us.ahrq.gov/reports/methods/2015_02.pdf
January 01, 2015 - There is no sampling error associated with Nielsen
census population counts; therefore, appropriate … QI estimates
were included in the QDR if they reached a threshold defined by a relative standard error … For population counts based on Nielsen data, there is no sampling error. … We multiplied this standard error by
1,000.
b. … Standard error estimates for age/sex adjusted inpatient rates per 1,000 discharges
using inpatient
-
hcup-us.ahrq.gov/reports/methods/2018-01.pdf
January 01, 2018 - There is no sampling error associated with Claritas
census population counts. … QI estimates
were included in the QDR if they reached a threshold defined by a relative standard error … For population counts based on Claritas data, there is no sampling error. … We multiplied this standard error by
1,000.
b. … Standard error estimates for age/sex adjusted inpatient rates per 1,000 discharges
using inpatient
-
hcup-us.ahrq.gov/reports/methods/2016-01.pdf
January 01, 2016 - There is no sampling error associated with Nielsen
HCUP (11/20/15) Methods for HCUP Data in 2015 … QI estimates
were included in the QDR if they reached a threshold defined by a relative standard error … For population counts based on Nielsen data, there is no sampling error. … We multiplied this standard error by
1,000.
b. … Standard error estimates for age/sex adjusted inpatient rates per 1,000 discharges
using inpatient
-
hcup-us.ahrq.gov/reports/methods/2017-03.pdf
January 01, 2017 - There is no sampling error associated with Claritas
HCUP (07/13/17) Methods for HCUP Data in 2016 … QI estimates
were included in the QDR if they reached a threshold defined by a relative standard error … For population counts based on Claritas data, there is no sampling error. … We multiplied this standard error by
1,000.
b. … Standard error estimates for age/sex adjusted inpatient rates per 1,000 discharges
using inpatient