Table 1.

Patient demographics.

	Alcohol Present	Drugs Present	Drugs and Alcohol Present	Neither Present
Number of Incidents	40,714 (18.1%)	58,353 (25.9%)	51,702 (23.0%)	74,312 (33.0%)
Gender
Female	20.1%	29.8%	20.1%	36.2%
Male	79.9%	70.2%	79.9%	63.8%
Age
16 - 20	11.5%	17.1%	12.8%	16.8%
21 - 30	31.8%	24.9%	32.5%	20.3%
31 - 40	20.5%	19.6%	23.4%	15.3%
41 - 50	19.4%	19.1%	20.6%	15.0%
51 - 60	10.2%	10.2%	7.7%	12.5%
61 - 70	4.0%	4.4%	2.0%	7.6%
71 - 80	2.1%	3.0%	0.8%	7.5%
81 - 90	0.6%	1.7%	0.3%	5.0%
Mean ISS (SD)	11.2 (10.9)	12.5 (10.9)	11.5 (10.6)	11.7 (11.2)