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

Published in final edited form as: Crit Care Med. 2017 Jun;45(6):1028–1036. doi: 10.1097/CCM.0000000000002404

Table 4.

Admission Risk Factors for Systolic Dysfunction Following Moderate-Severe TBI

Variable	Univariate^a			Multivariable^b,^c
Variable	Relative Risk	95% CI	p	Relative Risk	95 % CI	p
Age	0.93	0.88 – 0.97	0.001	0.87	0.79 – 0.94	0.001
Male Gender	1.11	0.16 – 7.58	0.91	1.19	0.17 – 8.58	0.86
Initial Head CT Findings
Epidural Hemorrhage	0.9	0.13 – 6.14	0.91	2.42	0.37 – 15.68	0.13
Subarachnoid Hemorrhage	0.52	0.14 – 1.92	0.33	2.29	0.58 – 9.06	0.24
Intraparenchymal Hemorrhage	0.85	0.22 – 3.27	0.81	0.04	0.001 – 1.77	0.09
Subdural Hemorrhage	0.83	0.19 – 3.57	0.81	1.02	0.25 – 4.18	0.97
Admission Glasgow Coma Scale	0.6	0.37 – 0.99	0.05	0.34	0.20 – 0.58	<0.0001
Admission Systolic Blood Pressure	1.00	0.98 – 1.03	0.82	0.95	0.91 – 1.00	0.05

^a,b

Poisson regression models with robust standard errors

Adjusted for all admission risk factors in the univariate analysis, in addition to 24-hour fluid balance, propofol sedation, vasopressor use, osmotherapy use, mechanical ventilation, and need for intracranial surgery