Table 1.

Demographics of total Lactate Clearance Population and Study Cohorts, Shock Trauma Center, Maryland, 2010–2012

	Lactate Population	High Clearance	Poor Clearance
N (%)	18,304 (100%)	1506 (7.8%)	2,381 (12.4%)
Age, mean (SD)	41.3 (19.7)	37.9 (17.9)	39.9 (18.0)
Male Sex, %	12,600 (68.8)	1180 (78.4)	1889 (79.3)
Race, %
White	10,679 (58.5)	802 (53.4)	1235 (52.1)
Black	6,247 (34.3)	629 (41.9)	956 (40.3)
Hispanic	502 (2.8)	25 (1.7)	68 (2.9)
Other	814 (4.5)	46 (3.1)	112 (4.7)
ISS
<9	9,639 (54.5)	573 (38.6)	596 (25.3)
9<ISS<16	3,886 (22.0)	420 (28.3)	499 (21.2)
16<ISS<25	2,206 (12.5)	249 (16.8)	440 (18.7)
ISS>25	1,958 (11.1)	244 (16.4)	820 (34.8)
Mechanism
MVC	8,576 (46.9)	545 (36.2)	1107 (46.5)
Falls	4,493 (24.6)	312 (20.7)	413 (17.4)
Stabbing	1,198 (6.6)	173 (11.5)	235 (9.9)
GSW	951 (5.2)	191 (12.7)	280 (11.8)