Table 2.

Distribution of patients by ISS

	ISS 0–15 % of group	ISS 16–24 % of group	ISS ≥ 25 % of group	% of total population
15–44y (n=9408)	62.9%	18.2%	18.9%	61.8
45–54y (n=2425)	59.2%	21.2%	19.6%	15.9
55–64(n=1472	59.2%	21.7%	19.1%	9.7
65–74y (n=845)	57.7%	23.0%	19.3%	5.6
75–84y (n=692)	51.6%	25.9%	22.5%	4.5
≥85 (n=385)	58.4%	26.3%	15.3%	2.5
TOTAL (n=15227)	61.0 % of total	19.8 % of total	19.2 % of total	100

Distribution of all study patients by Injury Severity Score (ISS) score, divided into age groups used for analysis.