Table 2.

Results of multivariate logistic regression analysis.

Variable	β coefficient†	OR	95% CI	P-value
Men	0.60 ± 0.19	1.82	1.26–2.63	.001
Time to initial CT scan	−0.32 ± 0.06	0.73	0.65–0.83	<.001
Glasgow Coma Score	−0.15 ± 0.03	0.86	0.82–0.90	<.001
Fibrinogen level	−0.33 ± 0.10	0.72	0.59–0.87	.001
Black Hole sign	0.93 ± 0.21	2.52	1.69–3.78	<.001
Blend sign	1.39 ± 0.19	4.03	2.77–5.85	<.001

Note: OR = odds ratio, CI = confidence interval.

^†Values are means ± standard errors.