Table T8_4_1_1-1

2012 National Healthcare Quality and Disparities Reports

This appendix provides detailed data tables for all measures analyzed for the 2012 National Healthcare Quality and Disparities Reports. Tables are included for measures discussed in the main text of the reports as well as for other measures that were examined but not included in the main text.
Table 8_4_1_1.1
Levels I and II trauma center utilization per 100 emergency department visits related to severe injuries,a United States, 2009
Population groupPercentbSE
Total 60.4DNA
Age0–2470.02.0
25–4472.52.0
45–6464.42.0
65 and over47.22.0
GenderMale64.01.9
Female54.01.9
Median income of patient's ZIP CodeFirst quartile (lowest income)60.93.2
Second quartile58.82.3
Third quartile58.72.4
Fourth quartile (highest income)63.72.9
Location of patient residenceLarge central metropolitan67.33.8
Large fringe metropolitan67.53.8
Medium metropolitan65.13.3
Small metropolitan41.15.6
Micropolitan47.53.9
Nonmetropolitan45.55.1
Region of inpatient treatmentNortheast66.42.9
Midwest62.03.9
South58.93.5
West56.13.5

a Severity of injuries is defined using the International Classification of Diseases programs for injury categorization (ICDPIC). The ICDPIC translates ICD-9 diagnosis codes into several standard injury categories or scores, including Injury Severity Score (ISS). An ISS of 16 or greater is classified as severe.

b Percentage of visits treated at level I or II trauma centers. Remaining percentages were treated at level III trauma centers or nontrauma units.

DNA - Data not analyzed.

Key: SE: standard error.

Source: Agency for Healthcare Research and Quality (AHRQ), Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample and Nationwide Emergency Department Sample, and AHRQ Quality Indicators, modified version 4.1.

Page last reviewed June 2013
Internet Citation: Table T8_4_1_1-1: 2012 National Healthcare Quality and Disparities Reports. June 2013. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr12/8_healthsysteminfrastructure/T8_4_1_1-1.html