Table 2.

Univariate logistic regression analysis of all risk factors associated with symptomatic venous thromboembolism in patients treated for aneurysmal subarachnoid hemorrhage.

	OR (95% CI)	p-value
Gender (male)	2.36 (1.08, 5.11)	0.03
Hunt Hess Grade	1.46 (1.10, 1.96)	0.01
Glasgow Coma Scale	0.90 (0.82, 0.98)	0.02
IVH	2.53 (0.99, 6.50)	0.05
ICH	2.47 (1.12, 5.39)	0.02
Hydrocephalus requiring EVD	5.40 (2.38, 13.51)	<0.01
Requiring mechanical ventilation	3.96 (1.83, 9.06)	<0.01
Delayed heparinization	2.72 (1.24, 6.32)	0.02

CI, confidence interval; EVD, external ventricular drain; ICH, intracerebral hemorrhage; IVH, intraventricular hemorrhage; OR, odds ratio

Bolded values indicate statistical significance (p<0.05)