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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2014.jsp
January 01, 2014 - Population Covered in the 2014 NIS by Census Division and Region, Calculated using the Estimated U.S. … totals of patients for a hospital) could be calculated for each sampled hospital. … Standard errors and confidence intervals can then be calculated from the validation data. … universe weight was calculated as:
DW s (universe) = DN s (universe) ÷ DN s (sample)
where DW s … Population Covered in the 2014 NIS by Census Division and Region, Calculated using the Estimated U.S.
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hcup-us.ahrq.gov/db/nation/neds/NEDS2020Introduction.pdf
September 01, 2022 - Hospital Weights
Hospital weights were calculated by stratum. … Discharge Weights
Discharge weights were also calculated by stratum. … Estimates of aggregate charges should be calculated as the product of the number of
discharges times … Standard errors and confidence intervals then can be calculated from the validation data. … b NHIS estimates were calculated using the values provided in the survey (0, 1, 2, 3, 4+).
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hcup-us.ahrq.gov/reports/methods/methods.jsp
February 01, 2025 - 565 KB; HTML )
Addendum: Provides additional guidance to ensure that variance estimates are calculated … PDF file, 322 KB)
Addendum: Provides additional guidance to ensure that variance estimates are calculated … 642 KB; HTML )
Addendum: Provides additional guidance to ensure that variance estimates are calculated
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hcup-us.ahrq.gov/db/ccr/ip-ccr/CCR-CD-SID-UserGuide-2001-2018-v2.pdf
January 01, 2018 - • APICC is missing when there is no cost information in the HCRIS (PPS) data or the
calculated cost-to-charge … Hospital Type for Grouping (HTYPE)
The hospital type for grouping peer hospitals (HTYPE) is calculated … These include bedsize,
type of ownership/control, and hospital urban/rural location.The GAPICC is calculated … For hospitals that were missing accounting
reports in the initial files, the APICC was calculated from
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hcup-us.ahrq.gov/reports/methods/2008_03.pdf
January 01, 2008 - An estimate of the average cost of separately billed physician services
is calculated from a different … The average cost is shown side-by-side with
the average of associated physician payments calculated … After cost is calculated for each visit and aggregated to the hospital level, we examine
variation of … An
estimate of the average cost of separately billed physician services is calculated from a
different … The average cost is shown side-by-side
with the average of associated physician payments calculated
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2009.jsp
January 01, 2009 - MDC_NoPOA and the Diagnosis Related Group (DRG) calculated without POA indicators (DRG_NoPOA) are useful … These alternate weights were calculated in the same way as the weights for the 1998 and later years of … Standard errors and confidence intervals can then be calculated from the validation data. … Hospital Weights
Hospital weights to the universe were calculated by post-stratification. … Discharge weights to the universe were calculated by post-stratification.
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hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2012_Core_V2.TXT
January 01, 2012 - discharge date
NRD 2012 Core_V2 10 DRG_NoPOA 3 Num DRG in use on discharge date, calculated … discharge date
NRD 2012 Core_V2 76 MDC_NoPOA 2 Num MDC in use on discharge date, calculated
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hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2011_Core_V2.TXT
January 01, 2011 - discharge date
NRD 2011 Core_V2 10 DRG_NoPOA 3 Num DRG in use on discharge date, calculated … discharge date
NRD 2011 Core_V2 76 MDC_NoPOA 2 Num MDC in use on discharge date, calculated
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hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2016_Core.TXT
January 01, 2016 - NRD_2016_Core 10 DRG_NoPOA 3 Num DRG in use on discharge date, calculated … NRD_2016_Core 57 MDC_NoPOA 2 Num MDC in use on discharge date, calculated
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hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2013_Core.TXT
January 01, 2013 - discharge date
NRD 2013 Core 10 DRG_NoPOA 3 Num DRG in use on discharge date, calculated … discharge date
NRD 2013 Core 76 MDC_NoPOA 2 Num MDC in use on discharge date, calculated
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hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2010_Core_V2.TXT
January 01, 2010 - discharge date
NRD 2010 Core_V2 10 DRG_NoPOA 3 Num DRG in use on discharge date, calculated … discharge date
NRD 2010 Core_V2 76 MDC_NoPOA 2 Num MDC in use on discharge date, calculated
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2018.jsp
January 01, 2018 - Population Covered in the 2018 NIS by Census Division and Region, Calculated using the Estimated U.S. … totals of patients for a hospital) could be calculated for each sampled hospital. … Standard errors and confidence intervals can then be calculated from the validation data. … universe weight was calculated as:
DW s (universe) = DN s (universe) ÷ DN s (sample)
where DW s … Population Covered in the 2018 NIS by Census Division and Region, Calculated using the Estimated U.S.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2019.jsp
January 01, 2019 - Population Covered in the 2019 NIS by Census Division and Region, Calculated using the Estimated U.S. … totals of patients for a hospital) could be calculated for each sampled hospital. … Standard errors and confidence intervals can then be calculated from the validation data. … universe weight was calculated as:
DW s (universe) = DN s (universe) ÷ DN s (sample)
where DW s … Population Covered in the 2019 NIS by Census Division and Region, Calculated using the Estimated U.S.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2016.jsp
January 01, 2016 - Population Covered in the 2016 NIS by Census Division and Region, Calculated using the Estimated U.S. … totals of patients for a hospital) could be calculated for each sampled hospital. … Standard errors and confidence intervals can then be calculated from the validation data. … universe weight was calculated as:
DW s (universe) = DN s (universe) ÷ DN s (sample)
where DW s … Population Covered in the 2016 NIS by Census Division and Region, Calculated using the Estimated U.S.
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hcup-us.ahrq.gov/reports/methods/2009_01.pdf
January 01, 2009 - Total national costs associated with potentially avoidable hospitalizations are calculated for
three … The adjusted rate was calculated as follows (and subsequently multiplied by 100,000):
. … We calculated the observed rate as follows:
.000,1000,1
1
1
N
S
w
xw
R n
i
i
n
i
ii
⋅=⋅= … We calculated the directly adjusted rate:
.ˆ000,1
ˆ
ˆ
000,1A )(
1
,
)(
1
,,36
1
,36
1
,
)( … We
calculated the test statistic and (two-sided) p-value:
)Prob(*2
2
2
2
1
21
tZp
SESE
RRt
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2010.jsp
January 01, 2010 - These alternate weights were calculated in the same way as the weights for the 1998 and later years of … Standard errors and confidence intervals can then be calculated from the validation data. … Hospital Weights
Hospital weights to the universe were calculated by post-stratification. … Within each stratum s, each NIS sample hospital's universe weight was calculated as:
W s (universe) … Discharge weights to the universe were calculated by post-stratification.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.jsp
January 01, 2011 - These alternate weights were calculated in the same way as the weights for the 1998 and later years of … Standard errors and confidence intervals can then be calculated from the validation data. … Hospital Weights
Hospital weights to the universe were calculated by post-stratification. … Discharge weights to the universe were calculated by post-stratification. … Figure 9: Percentage of U.S.Population in 2010 NIS States, by Region Calculated using the estimated
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hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp
January 01, 2009 - without Present On Admission (POA) indicators (DRG_NoPOA) and MDC in use on discharge date, calculated … These alternative weights were calculated in the same way as the weights for the 2000 and later years … Standard errors and confidence intervals can then be calculated from the validation data. … Discharge weights to the universe were calculated by post-stratification. … Within stratum k , for hospital i , each KID sample discharge's universe weight was calculated as:
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2015.jsp
January 01, 2015 - Population Covered in the 2015 NIS by Census Division and Region, Calculated using the Estimated U.S. … totals of patients for a hospital) could be calculated for each sampled hospital. … Standard errors and confidence intervals can then be calculated from the validation data. … universe weight was calculated as:
DW s (universe) = DN s (universe) ÷ DN s (sample)
where DW s … Population Covered in the 2015 NIS by Census Division and Region, Calculated using the Estimated U.S.
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hcup-us.ahrq.gov/reports/methods/2007_05.pdf
January 01, 2007 - an estimate of cost is made for each ED visit, the average CCR for visits at each
hospital can be calculated … an estimate of cost is made for each ED visit, the average CCR for visits at each
hospital will be calculated … the total hospital charge for every visit in the relevant
hospital.
3
After cost is calculated … We then calculated the proportion of visits at each
ED with each of the seven comorbidity categories … Peer
group averages were calculated so that there would be a sufficient cell size within peer
group