Table 3.

Univariate Cox regression analysis for PFS

Variable	HR (95% CI)	p Value
Age	1.01(1.00–1.02)	0.187
Gender	1.34(0.92–1.94)	0.128
KPS	1.00(0.98–1.01)	0.733
KPS < 70	0.84(0.41–1.73)	0.639
Duration of symptoms	1.02(1.00–1.04)	0.108
Headache	0.86(0.60–1.25)	0.438
Nausea/vomiting	1.01(0.58–1.77)	0.967
Motor deficit	1.02(0.72–1.45)	0.915
Sensory deficit	0.66(0.35–1.23)	0.187
Seizures	1.05(0.73–1.51)	0.796
Language deficit	0.98(0.68–1.43)	0.926
Visual impairment	0.92(0.58–1.46)	0.728
Ataxia/gait deficit	0.94(0.65–1.35)	0.733
Cognition deficit	1.01(0.71–1.44)	0.967
Altered level of consciousness	0.71(0.29–1.74)	0.453
Midline Structures Involvement	2.80 (1.67–4.74)	< 0.001
Left hemisphere	0.90(0.63–1.28)	0.549
Preoperative tumor volume	1.00(0.99–1.01)	0.657
RTV	1.17(1.09–1.26)	< 0.001
EOR	0.97(0.95–0.99)	0.001
Duration of hospitalisation	1.00(0.95–1.04)	0.835
Duration of the operation	1.00(1.00–1.00)	0.885
Ki-67	1.00(0.99–1.01)	0.910
Ki-67 < 15	1.32(0.78–2.23)	0.309
MGMT	1.35(0.93–1.94)	0.111