Table 2.

Multiple binomial logistic regression analysis to predict 30-day mortality

Variable	Odds ratio	95% Confidence interval	p value
Age (years)	1.001	0.957–1.047	0.97
Serum melatonin levels (pg/mL)	2.205	1.294–3.759	0.004
Glasgow coma scale score	0.723	0.516–1.013	0.06