-
hcup-us.ahrq.gov/reports/statbriefs/sb84.pdf
January 01, 2010 - About
half of MVA-related visits were made by people residing in large metro areas, one-third in small … metro areas and the remaining in non-metro areas. … Non-MVA-related visits had a slightly lower
percentage of patients from large metro areas and a slightly … higher percentage of people from
non-metro areas.
-
hcup-us.ahrq.gov/toolssoftware/hms/HMSUserGuide2000.pdf
January 10, 2007 - Boundaries
Markets defined by geopolitical boundaries are based on counties, Metropolitan
Statistical Areas … (MSA), and Health Service Areas (HSA).
-
hcup-us.ahrq.gov/toolssoftware/hms/HMSUserGuide1997.pdf
January 10, 2007 - Guide
Markets defined by geopolitical boundaries are based on counties, Metropolitan
Statistical Areas … (MSA), and Health Service Areas (HSA).
-
hcup-us.ahrq.gov/db/ccr/ip-ccr/CCR-CD-SID-UserGuide-2001-2018-v2.pdf
January 01, 2018 - All rural areas in each
state are combined for a single wage index. … The Geographic Adjustment Factor is a capital cost adjustment index for Core Based
Statistical Areas … Group average all-payer inpatient CCR
GAF Capital cost adjustment index for Core Based Statistical Areas
-
hcup-us.ahrq.gov/toolssoftware/hms/hms.jsp
March 01, 2022 - utilized in sophisticated algorithms based on the four most common ways of defining hospital market areas
-
hcup-us.ahrq.gov/nisoverview.jsp
September 01, 2025 - About the NIS
NIS Data Elements
NIS File Structure
NIS Areas of Research and HCUP Publications … for those analyses that require a census of discharges from individual
hospitals, local market areas … measures
AHRQ software tools (not available for 2016-2017)
Return to Contents
NIS Areas
-
hcup-us.ahrq.gov/reports/statbriefs/sb193-Neonatal-Maternal-Hospitalizations-Substance-Use.pdf
November 01, 2014 - substance use were less likely than other neonatal
stays to be for neonates from large metropolitan areas … in communities with a lower median household income and less likely
to occur in large metropolitan areas … , maternal stays related to substance
use were less likely to be for women from large metropolitan areas … with 1 million or more residents
• Small Metropolitan: Metropolitan areas with fewer than 1 million … residents
• Micropolitan: Micropolitan areas adjacent and nonadjacent to metropolitan areas
• Rural
-
hcup-us.ahrq.gov/datainnovations/CaseStudy_QDRanalysis04072017.pdf
April 07, 2017 - Quality and Disparities Report (QDR) measures and tracks trends in quality
and disparities in seven key areas
-
hcup-us.ahrq.gov/reports//methods/2014-02.pdf
January 01, 2014 - Location
Census
ERS
Census
ERS Census
ERS WWAMI RHRC
Health
Professionals
Shortage Areas … Nielsen
uses intercensal methods to estimate household and demographic statistics for geographic
areas … classifies U.S. counties by size of the largest city
and nearness to metropolitan and micropolitan areas … On-going
Data System Home Page:
http://datawarehouse.hrsa.gov/
Health Professional Shortage Areas … The
ten topical areas include: access to care, cost and affordability, coverage, health
information
-
hcup-us.ahrq.gov/reports/methods/2014-02.pdf
January 01, 2014 - Location
Census
ERS
Census
ERS Census
ERS WWAMI RHRC
Health
Professionals
Shortage Areas … Nielsen
uses intercensal methods to estimate household and demographic statistics for geographic
areas … classifies U.S. counties by size of the largest city
and nearness to metropolitan and micropolitan areas … On-going
Data System Home Page:
http://datawarehouse.hrsa.gov/
Health Professional Shortage Areas … The
ten topical areas include: access to care, cost and affordability, coverage, health
information
-
hcup-us.ahrq.gov/reports/methods/2013_01.pdf
January 01, 2013 - Location
Census
ERS
Census
ERS Census
ERS WWAMI RHRC
Health
Professionals
Shortage Areas … Nielsen
uses intra-census methods to estimate household and demographic statistics for geographic
areas … classifies U.S. counties by size of the largest city
and nearness to metropolitan and micropolitan areas … On-going
Data System Home Page:
http://datawarehouse.hrsa.gov/
Health Professional Shortage Areas … The
ten topical areas include: access to care, cost and affordability, coverage, health
information
-
hcup-us.ahrq.gov/db/ccr/ed-ccr/ED_CCR_User_Guide_External_2012-2021.pdf
January 01, 2021 - adjustment factor (GAF), which represents the capital cost adjustment index for Core-Based
Statistical Areas … All rural areas in each State are combined for a single wage index.
-
hcup-us.ahrq.gov/db/ccr/ed-ccr/ED_CCR_User_Guide_External_2012-2022.pdf
January 01, 2022 - adjustment factor (GAF), which represents the capital cost adjustment index for Core-Based
Statistical Areas … All rural areas in each State are combined for a single wage index.
-
hcup-us.ahrq.gov/reports/statbriefs/sb167.pdf
September 01, 2013 - diabetes-related ED visits that resulted in a hospital admission was similar across the
metropolitan and rural areas … rate of diabetes-related ED visits that were treated and
released was higher for patients from rural areas … metropolitan, or rural according to the following:
• Large Metropolitan: includes metropolitan areas … and counties of metropolitan areas with 1 million
or more residents
• Small Metropolitan: includes … areas with 50,000 to 999,999 residents
• Rural: includes nonmetropolitan counties (i.e., counties
-
hcup-us.ahrq.gov/reports/statbriefs/sb137.pdf
March 01, 2012 - West 3.9 3.8 44.1 71.0 692.4 701.0
Patient’s residence4 (rate per 10,000 population)
Urban areas … 4.3 4.1 51.5 83.7 904.1 842.4
Rural areas 4.5 4.4 63.3 103.6 1,162.0 1,054.0
Community-level … rural according to the following:
Urban:
• Large Central Metropolitan: includes metropolitan areas … with 1 million or more residents
• Large Fringe Metropolitan: includes counties of metropolitan areas … with 1 million or more
residents
• Medium and Small Metropolitan: includes areas with 50,000 to
-
hcup-us.ahrq.gov/reports/statbriefs/sb167.jsp
November 01, 2013 - diabetes-related ED visits that resulted in a hospital admission was similar across the metropolitan and rural areas … rate of diabetes-related ED visits that were treated and released was higher for patients from rural areas … metropolitan, or rural according to the following:
Large Metropolitan: includes metropolitan areas … and counties of metropolitan areas with 1 million or more residents
Small Metropolitan: includes areas
-
hcup-us.ahrq.gov/reports/statbriefs/sb121.pdf
September 01, 2011 - Among COPD patients
residing in the lowest income
areas, the readmission rate was
22 percent higher … than among
patients from the highest income
areas (7.8 percent compared to
6.4 percent) … mean area wage index weighted by bed size.
4
Among COPD patients residing in the lowest income areas … readmission principally for COPD—about 22 percent higher than among patients from the
highest income areas
-
hcup-us.ahrq.gov/reports/statbriefs/sb286-ED-Frequent-Conditions-2018.pdf
January 01, 2018 - females, those aged 65 years and older, individuals
residing in the lowest income communities or rural areas … The rate of ED visits was higher in rural areas than in large metropolitan areas (534 vs. 403 per 1,000 … proportion of ED visits among
individuals who were older and who resided in higher income or metropolitan areas … communities vs. 12.7 percent for the lowest income communities)
Residents in metropolitan versus rural areas … (14.8 percent for large metropolitan areas vs.
11.2 percent for rural areas)
Hospitals located
-
hcup-us.ahrq.gov/tech_assist/centdist/StatementIntendedUse.jsp
February 01, 2024 - Aggregating geographic areas to avoid identifying establishments
(each geographic area must
-
hcup-us.ahrq.gov/reports/statbriefs/sb122.jsp
October 01, 2011 - Persons residing in non-metropolitan areas were more likely to be hospitalized for septicemia than were … those residing in small metro areas (580 stays versus 470 stays per 100,000 population). … Persons from non-metropolitan areas were also more likely to be hospitalized for non-septicemia related … with a population of 1 million or greater
Small Metro Area: Counties in metropolitan areas of 50,000 … –999,999 population
Non-metro Area: All counties that are not classified as large or small metro areas