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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/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
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FAQ…
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hcup-us.ahrq.gov/reports/methods/2005_05.pdf
January 01, 2005 - 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/2006_7.pdf
January 01, 2006 - 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/2017-03.pdf
January 01, 2017 - The NEDS were used to calculate PQIs and PDIs in the emergency department setting. … Claritas population data was used to calculate rates per 100,000 residents by age, sex,
community income … Claritas population data was used to calculate rates
per 100,000 residents by age, sex, community income … Note: the following functions calculate p in SAS and EXCEL:
SAS: p = 2 * (1 - PROBNORM(ABS(t))); … The weights used to calculate the QDR summary measures were
relatively consistent with AHRQ IQI and
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/fl9.pdf
April 06, 2011 - Primarily deterministic, includes probabilistic elements
CREATES potential matches
Coding algorithm to calculate
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hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/fl9.pdf
April 06, 2011 - Primarily deterministic, includes probabilistic elements
CREATES potential matches
Coding algorithm to calculate
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hcup-us.ahrq.gov/reports/methods/2016-01.pdf
January 01, 2016 - The NEDS were used to calculate PQIs and PDIs in the emergency department setting. … Nielsen population data was used to calculate rates per 100,000 residents by age, sex,
community income … Nielsen population data was used to calculate rates
per 100,000 residents by age, sex, community income … Note: the following functions calculate p in SAS and EXCEL:
SAS: p = 2 * (1 - PROBNORM(ABS(t))); … The weights used to calculate the QDR summary measures were
relatively consistent with AHRQ IQI and
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or19.pdf
June 16, 2014 - Probabilistic Matching
• Find the records in File 2 that seem to match records in
File 1
• Calculate
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hcup-us.ahrq.gov/reports/methods/2015_02.pdf
January 01, 2015 - The NIS and NEDS were used to calculate selected PQIs and PDIs in the inpatient and
emergency department … For QIs that use present on admission (POA), we modified the AHRQ QI software to
calculate indicators … Nielsen population data was used to calculate rates per
100,000 residents by age, gender, community … Note: the following functions calculate p in SAS and EXCEL:
SAS: p = 2 * (1 - PROBNORM(ABS(t))); … The weights used to calculate the QDR summary measures were
relatively consistent with AHRQ IQI and
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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
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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/db/nation/nis/APS-DRGs%20V22%20Weights%20Manual.pdf
March 01, 2005 - CALCULATE AND APPLY TRIMS. … CALCULATE RELATIVE WEIGHTS. … To calculate an expected charge (expected LOS, or expected mortality) for a given
discharge record,
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hcup-us.ahrq.gov/news/newsletters/newsltrQ4_2018.html
January 01, 2018 - Weights are provided to calculate national estimates pertaining to the roughly 144 million ED visits … relevant sources of population data through the 2017 data year that can be used with the HCUP databases to calculate
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hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_1_1a.jsp
January 01, 2005 - Exhibit 1.1: Number and Characteristics of U.S. Hospitals
Exhibit 1.1: Number and Characteristics of U.S. Hospitals
Number of U.S. Registered Hospitals and Characteristics of Community Hospitals, 1997, 2004, and 2005
Hospital Categories and Characteristics
1997
2004
2005
Number of U.S. r…
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hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_1_1b.jsp
January 01, 2005 - Exhibit 1.1: Number and Characteristics of U.S. Hospitals
Exhibit 1.1: Number and Characteristics of U.S. Hospitals
Number of U.S. Registered Hospitals and Characteristics of Community Hospitals, 1997, 2004, and 2005
Hospital Categories and Characteristics
1997
2004
2005
Number of U.S. r…
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hcup-us.ahrq.gov/reports/factsandfigures/2007/pdfs/section1_1.pdf
January 01, 2007 - HCUP Facts and Figures: Statistics on Hospital-Based Care in the United States, 2007 8
EXHIBIT 1.1 Characteristics of U.S. Community Hospitals
Characteristics of U.S. Community Hospitals, 1997 and 2007
UTILIZATION, CHARGES, AND COSTS 1997 2007
Discharges
Total discharges in mill ions 34.7 39.5
…
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hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS61997Final.pdf
August 09, 2000 - weights and accounted for the sample design using the SUDAAN
microcomputer statistical software to calculate … Comparisons were
not possible in four of the 17 strata due to the inability to calculate valid relative … performed because a valid standard error was not available.
b The NHDS sample size was too small to calculate … performed because a valid standard error was not available.
b The NHDS sample size was too small to calculate … A significance test was not performed because a valid standard error was not available.
b Unable to calculate
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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