Table I. Patient Characteristics ^a.

Descriptive	Mean (SD)	%
Age, years	36.0 (13.7)
Sex
Male		83
Female		17
Race
White		78.7
Black		10.3
Hispanic		10.2
Other		0.8
Helmet
Yes		35.5
No		51.8
Unknown		12.7
Outcomes
GCS
Minor		90.02
Moderate		1.04
Severe		8.31
Not available		0.64
ISS	9.4 (11.0)
LOS, days	4.4 (8.9)
Death
Alive		95.6
Dead		4.4 a

^a All values are for number of evaluations ( N = 1252).