. Author manuscript; available in PMC: 2018 Feb 1.

Published in final edited form as: J Trauma Acute Care Surg. 2017 Feb;82(2):302–308. doi: 10.1097/TA.0000000000001313

TABLE 2.

Univariate Analysis & Multiple Logistic Regression of Coagulation Factors

	Univariate Analysis				Multiple Logistic Regression
	n	OR	CI (95%)	p	OR	CI (95%)	p
Factors^a
II, (% activity)	939	0.76	(0.70–0.83)	<0.001
V, (% activity)	953	0.77	(0.71–0.83)	<0.001	0.86	(0.76–0.97)	0.02
VII, (% activity)	913	0.99	(0.95–1.04)	0.77
VIII, (% activity)	964	0.98	(0.97–0.99)	0.001	0.97	(0.95–0.99)	0.007
IX, (% activity)	935	0.89	(0.86–0.93)	<0.001
X, (% activity)	938	0.75	(0.70–0.81)	<0.001	0.79	(0.68–0.92)	0.002
Protein C ^a, (% activity)	963	0.94	(0.89–0.99)	0.02	1.17	(1.05–1.30)	0.005
TBI	1,426	10.92	(7.81–15.27)	<0.001	17.00	(8.78–32.92)	<0.001
Blunt Injury	1,424	2.75	(2.02–3.73)	<0.001	0.43	(0.21–0.87)	0.02
Age (Years)	1,427	1.04	(1.03–1.04)	<0.001	1.04	(1.03–1.06)	<0.001
Base Excess, (mEq/L)	1,023	0.94	(0.92–0.97)	<0.001	0.90	(0.86–0.94)	<0.001
n = 631
AUC = 0.89

Per 10 unit change

OR, Odds Ratio; CI (95%), Confidence Interval (95%); TBI, Traumatic Brain Injury