Table 1.

Demographics and mechanisms of injury. Continuous values expressed as median (Interquartile Range); Categorical values expressed as n (%). P values are for Mann-Whitney, chi square, or Fisher’s exact test as appropriate.

	Initial Lactate Level
	Normal n=43	Elevated n=89	p
Initial lactate level (mmMol/L)	1.6 (1.2– 1.9)	3.8 (2.8– 5.2)	<0.001
Age in years	28 (20–42)	24 (20–31)	0.1
Male gender	40 (93%)	80 (90%)	0.56
Race			0.15
African American	36 (84%)	82 (92%)
Caucasian	4 (9%)	6 (7%)
Other	3 (7%)	1 (1%)
Mechanism of Injury			0.06
Gunshot wound	27 (63%)	71 (80%)
Stab	12 (28%)	18 (20%)
Other	4 (9%)	0 (0%)