. Author manuscript; available in PMC: 2015 Apr 29.

Published in final edited form as: J Trauma Acute Care Surg. 2014 Dec;77(6):846–851. doi: 10.1097/TA.0000000000000459

TABLE 2.

Admission Demographics and Injury Scoring Data for Patients Undergoing NI for TBI

Variable	All Patients	High INR	Low INR	p
Age, y	48 (30–59)	59 (21–70)	48 (30–57)	0.483
Sex, male, %	79	80	78	0.912
%EtOH positive	40	20	44	0.157
%prehospital ASA	16	10	18	0.550
ISS	30 (25–38)	35 (26–50)	29 (25–38)	0.165
Head AIS score	5 (4–5)	5 (4–5)	5 (4–5)	0.945
Face AIS score	1 (0Y2)	2 (0–3)	0 (0–2)	0.089
Chest AIS score	0 (0–3)	1.5 (0–4)	0 (0–3)	0.171
Abdomen AIS score	0 (0–0)	0 (0–0)	0 (0–0)	0.474
Extremity AIS score	0 (0–2)	2 (0–3)	0 (0–2)	0.095