Table 4.

Cox regression model for risk factors predicting PFS.

Variable	Number of patients	Recurrence (%)	Univariate Analysis		Multivariate Analysis
			HR (95% CI)	P value	HR (95% CI)	P value
Overall	25	10 (40%)
Sex
Male	12	6 (50%)	Reference
Female	13	4 (30.8%)	0.526 (0.137-2.014)	0.348
Age (years)
<40	13	6 (46.2%)	Reference
≥40	12	4 (33.3%)	0.410 (0.097-1.738)	0.226
Location
Lateral ventricle	14	5 (35.7%)	Reference
Others	11	5 (45.5%)	0.613 (0.151-2.483)	0.493
Extent of resection
GTR	18	7 (38.9%)	Reference		Reference
Non-GTR	7	3 (42.9%)	2.232 (0.525-9.487)	0.277	1.966 (0.360-10.738)	0.435
RT
Yes	23	10 (43.5%)	Reference		Reference
No	2	0 (0%)	0.043 (0.000-26289.330)	0.643		0.990
CT
Yes	11	5 (45.5%)	Reference		Reference
No	14	5 (35.7%)	1.457 (0.382-5.552)	0.581	1.085 (0.225-5.228)	0.919

*: p<0.05 was considered statistical significant.