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hcup-us.ahrq.gov/reports/methods/2011_06.pdf
January 01, 2011 - cases from the QI measures:
The PSIs and PDIs that use secondary procedure day were modified to calculate … For QIs that use present on admission (POA), we modified the AHRQ QI software to
calculate indicators … Note: the following functions calculate p in SAS and EXCEL:
SAS: p = 2 * (1 - PROBNORM(ABS(t))); … The weights used to calculate the NHQR/NHDR summary measures
were relatively consistent with AHRQ IQI
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hcup-us.ahrq.gov/reports/methods/methods.jsp
February 01, 2025 - -03
The Cost of Ambulatory Surgery Visits, 2005 (PDF file, 187 KB)
Report #2008-04
Calculate
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hcup-us.ahrq.gov/reports/methods/methods_topic.jsp
November 01, 2024 - Inpatient Cost Estimates with HCUP Databases, 2009 (PDF file, 837 KB)
Report #2008-04
Calculate
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hcup-us.ahrq.gov/reports//methods/2014-02.pdf
January 01, 2014 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows
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hcup-us.ahrq.gov/reports/methods/2018-03.pdf
January 01, 2018 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows
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hcup-us.ahrq.gov/reports/methods/2015-07.pdf
January 01, 2015 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows
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hcup-us.ahrq.gov/reports/methods/2014-02.pdf
January 01, 2014 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows
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hcup-us.ahrq.gov/reports/methods/2017-04.pdf
January 01, 2017 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows
-
hcup-us.ahrq.gov/reports/methods/2013_01.pdf
January 01, 2013 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population count
"ADULT_US_POP"
Step 4: Calculate rate and standard error … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows
-
hcup-us.ahrq.gov/reports/methods/2016-04.pdf
January 01, 2016 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows
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hcup-us.ahrq.gov/db/nation/nrd/NRD_Introduction_2013.jsp
January 01, 2013 - Although we calculated discharge-level weights for the NRD, we did not calculate hospital-level weights … Variance Calculations
It may be important for researchers to calculate a measure of precision for … To accurately calculate variances from the NRD, appropriate statistical software and techniques must … Several computer programs that calculate statistics and their variances from sample survey data are … However, it may be desirable to calculate variances using formulas specifically developed for certain
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hcup-us.ahrq.gov/db/vars/aweekend/nedsnote.jsp
May 01, 2015 - Healthcare Cost and Utilization Project (HCUP) NEDS Notes
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQ…
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hcup-us.ahrq.gov/figures/nis_figure1_2019.jsp
January 01, 2019 - Figure 1: Percentage of U.S. Population Covered in the 2017 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1, 2017
Figure 1: Percentage of U.S. Population Covered in the 2017 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1,…
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hcup-us.ahrq.gov/figures/nis_figure1_2018.jsp
January 01, 2018 - Figure 1: Percentage of U.S. Population Covered in the 2016 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1, 2016
Figure 1: Percentage of U.S. Population Covered in the 2016 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1,…
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hcup-us.ahrq.gov/figures/nis_figure1_2017.jsp
January 01, 2017 - Figure 1: Percentage of U.S. Population Covered in the 2015 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1, 2015
Figure 1: Percentage of U.S. Population Covered in the 2015 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1,…
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hcup-us.ahrq.gov/figures/nis_figure1_2016.jsp
January 01, 2016 - Figure 1: Percentage of U.S. Population Covered in the 2014 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1, 2014
Figure 1: Percentage of U.S. Population Covered in the 2014 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1,…
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hcup-us.ahrq.gov/reports/methods/2004_07.pdf
January 01, 2004 - Note: the following functions calculate p in SAS and EXCEL:
SAS: p = 2 * (1 - PROBNORM(ABS(t)));
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hcup-us.ahrq.gov/reports/methods/2007_06.pdf
January 01, 2007 - Note: the following functions calculate p in SAS and EXCEL:
SAS: p = 2 * (1 - PROBNORM(ABS(t)));
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hcup-us.ahrq.gov/db/nation/nis/APS-DRGs%20V23%20Weights%20Manual.pdf
August 01, 2006 - To calculate an expected charge (expected LOS, or expected mortality) for a given
discharge record,
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hcup-us.ahrq.gov/reports/methods/2019-02.pdf
January 01, 2019 - report is to identify relevant sources of population data that can be used
with the HCUP databases to calculate … Step 2: Calculate the numerator and standard deviation of the numerator using the NIS. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard error … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows