Table II.

Multivariate Cox regression analysis of the overall survival time of glioma patients.

Variables	HR	95% CI	P-value
Age	2.113	0.888–5.030	0.091
Gender	0.749	0.339–1.652	0.474
Histological type	1.846	0.694–4.908	0.219
WHO grade	3.576	1.251–10.211	0.017
IF1 expression	0.253	0.081–0.790	0.018

WHO, World Health Organization; IF1, adenosine triphosphatase inhibitory factor 1; HR, hazard ratio; CI, confidence interval.