TABLE 5.

Incidence and Outcome of EMS-Assessed Out-of-Hospital Traumatic Injury

Site Identity	Alabama N = 486	Dallas N = 911	Iowa N = 387	Ottawa-OPALS N = 653	Pittsburgh N = 476	Portland N = 331	Seattle–King County N = 1633	Toronto N = 1707	Vancouver N = 496	Overall N = 7080	P
Adjusted incidence rate, per 100,000	88.8	45.4	37.4	15.2	50.4	18.3	95.3	30.8	14.3	33.6	<0.001
Adjusted mortality rate, per 100,000	29.2	19.2	7.6	5.2	13.1	3.8	13.1	5.2	7.3	8.5	<0.001
Case fatality rate, %	32.9%	42.2%	20.3%	34.3%	26.1%	20.6%	13.7%	16.9%	50.7%	25.2%	<0.001
Survival to discharge, %	64.5%	49.5%	71.3%	62.0%	61.4%	76.1%	80.6%	80.8%	39.8%	69.3%	<0.001
Vital status missing, %	2.6%	8.3%	8.4%	3.6%	12.5%	3.3%	5.7%	2.3%	9.5%	5.5%	<0.001