Table 1.

Categorical variables of patient sex, co-morbidities, and abbreviation injury scale (AIS) scores in the body regions. CVA: cerebral vascular accident; CAD: coronary artery disease; HTN: hypertension; CHF: congestive heart failure; ESRD: end-stage renal disease DM: diabetes mellitus.

Variables		Total (n = 545)	Survival (n = 533)	Mortality (n = 12)	p-Value
Sex	Female	270 (49.5%)	264 (49.5%)	6 (50%)	>0.999
	Male	275 (50.5%)	269 (50.5%)	6 (50%)
CVA	No	521 (95.6%)	510 (95.7%)	11 (91.7%)	0.421
	Yes	24(4.4%)	23(4.3%)	1 (8.3%)
CAD	No	528 (96.9%)	516 (96.8%)	12 (100%)	>0.999
	Yes	17 (3.1%)	17 (3.2%)	0 (0%)
HTN	No	379 (69.5%)	371 (69.6%)	8 (66.7%)	0.762
	Yes	166(30.5%)	162(30.4%)	4 (33.3%)
CHF	No	537(98.5%)	525(98.5%)	12 (100%)	>0.999
	Yes	8(1.5%)	8(1.5%)	0(0%)
ESRD	No	538 (98.7%)	526 (98.7%)	12 (100%)	>0.999
	Yes	7(1.3%)	7(1.3%)	0(0%)
DM	No	469 (86.1%)	458 (85.9%)	11 (91.7%)	>0.999
	Yes	76 (13.9%)	75 (14.1%)	1 (8.3%)
AIS (Head)	3	452 (82.9%)	449 (84.2%)	3 (25%)	<0.001
	4	79 (14.5%)	77 (14.5%)	2 (16.7%)
	5	13 (2.4%)	7 (1.3%)	6 (50%)
	6	1 (0.2%)	0 (0%)	1 (8.3%)
AIS (Face)	0	410 (75.2%)	401 (75.2%)	9 (75%)	>0.999
	1	48 (8.8%)	47 (8.9%)	1 (8.3%)
	2	87 (16%)	85 (15.9%)	2 (16.7%)
AIS (Thorax)	0	502 (92.1%)	491 (92.1%)	11 (91.7%)	0.505
	1	19 (3.5%)	18 (3.4%)	1 (8.3%)
	2	24 (4.4%)	24 (4.5%)	0 (0%)
AIS (Abdomen)	0	534 (98%)	523 (98.1%)	11 (91.7%)	0.007
	1	4 (0.7%)	3 (0.6%)	1 (8.3%)
	2	7 (1.3%)	7 (1.3%)	0 (0%)
AIS (Extremity)	0	390 (71.6%)	381 (71.5%)	9 (75%)	0.965
	1	52 (9.5%)	51 (9.6%)	1 (8.3%)
	2	103 (18.9%)	101 (18.9%)	2 (16.7%)
AIS (External)	0	452 (82.9%)	441 (82.7%)	11 (91.7%)	0.701
	1	93 (17.1%)	92 (17.3%)	1 (8.3%)