Table 5.

Venous thromboembolism risk factors

	Total (n = 71)	VTE (n = 9)	No VTE (n = 62)	P-value
ISS	28.2 ± 12.3	40.3 ± 10.7	26.4 ± 11.5	0.001*
Lower extremity amputation, n	6 (8.5%)	2 (22.2%)	4 (6.5%)	0.16
Lower extremity fracture, n	21 (29.6%)	6 (66.7%)	15 (24.1%)	0.02*
Pelvic fracture, n	3 (4.2%)	2 (22.2%)	1 (1.6%)	0.04*
Spinal cord injury, n	4 (5.6%)	1 (11.1%)	3 (4.8%)	0.43
Ventilator days	6.5 ± 6.5	12.1 ± 5.2	5.7 ± 6.3	0.004*
Blood products transfused (units)	17.3 ± 28.2	44.2 ± 49.1	13.4 ± 21.8	0.008*
Received massive transfusion within 24 h, n	9 (12.7%)	3 (33.3%)	6 (9.7%)	0.08
Administered recombinant Factor VII, n	1 (1.4%)	0 (0%)	1 (1.6%)	1.0
Administered TXA, n	14 (19.7%)	5 (55.6%)	9 (14.5%)	0.01*