Table 3.

Cox regression analysis evaluated the risk factors affecting survival.

Parameters	Overall survival			Progression-free survival
	HR	95 % CI	p	HR	95 % CI	p
Age	1.08	1.04‒1.12	0.001	1.04	1.02‒1.07	<0.001
Glioma grade	7.01	1.57‒29.83	0.006	3.44	1.58‒7.45	0.003
vp_skew	1.16	1.01‒1.33	0.021	0.82	0.46‒1.44	0.472
vp_kurt	1.04	1.02‒1.06	0.007	0.87	0.50‒1.51	0.527
ve_90	3.15	1.28‒7.99	0.026	2.7	1.23‒5.95	0.015
ve_skew	0.92	0.85‒1.00	0.08	0.93	0.87‒0.99	0.036
kep_90	0.45	0.20‒0.97	0.045	0.78	0.50‒1.20	0.249
PDZK1	2.12	1.16‒5.32	0.001	1.78	1.07‒4.81	<0.001