Table II.

Multivariate logistical regression model for venous thromboembolism prediction

Variable	OR	SE	Z value	P value	95% CI
ICU admission	1.26	0.77	0.38	.707	0.37-4.23
Admission platelet count <150,000	2.28	1.17	1.61	.108	0.83-6.27
Admission D-dimer ≥1500 ng/mL	3.57	1.84	2.47	.013	1.30-9.83
Admission fibrinogen >385 or <200 U/L	0.43	0.21	−1.68	.093	0.16-1.15
Invasive mechanical ventilation	3.39	1.92	2.16	.031	1.12-10.30

CI, Confidence interval; ICU, intensive care unit; OR, odds ratio; SE, standard error.