Table 1.

Multivariate Cox regression analysis for overall survival

Variables	HR	95% CI	P
Age > ≤ 63 y	2.44	1.214–4.916	0.012*
Highest tumor grade ever	1.70	0.939–3.061	0.080
TERT promoter mutation (mut vs wt)	3.78	1.576–9.079	0.003*

*Significant at P < 0.05 by multivariate Cox regression.