Table 4.

Multivariate Analysis

Model 1	Clinical Variable	Bilateral unresponsive mydriasis at admission	S100B at 24 h
	OR (95%CI)	21.35 (5.50–82.54)	4.90 (1.43–16.72)
	p	0.005	0.010
	AUC (95%CI)	0.872 (0.776–0.968)
	p	<0.001

Model 2	Clinical Variable	S100B at 24 h
	OR (95%CI)	15.5 (1.93–121.82)
	p	0.009
	AUC (95%CI)	0.966 (0.637–1.00)
	p	0.001

Model 1, all patients; Model 2, patients with photomotor reflex in at least one pupil at admission.

AUC, area under the curve; CI, confidence interval; OR, odds ratio.