Table 1.

Characteristics of the Entire Cohort

n	4,744
Demographics
Age, y, mean (+/− SEM)	48.7 (0.3)
Gender (male), n (%)	2,914 (61.4)
Race*, n (%)
White	2394 (76.8)
African American	428 (13.7)
Asian or Pacific Islander	226 (7.3)
Other	69 (2.2)
Mechanism of injury, n (%)
Knife	223 (4.7)
Gunshot	191 (4.0)
Motor vehicle, motorcycle, pedestrian versus car	1516 (32.0)
Other	2814 (59.3)
Injury Severity Scale, mean (+/− SEM)	11.1 (0.1)
Maximum Anatomic Injury Score, mean (+/− SEM)	2.7 (0.0)
Scene Glasgow Coma Scale†, means (+/− SEM)	13.6 (0.0)
Scene shock‡	203 (5.3)
Mortality, n (%)	290 (6.1)

^*1,627 patients with no information regarding race.

^†1,386 subjects with no information regarding scene Glasgow Coma Scale.

^‡925 patients with no information regarding scene shock.