Table 2.

Univariate analyses

	OS rate (%)
	12 m	24 m	36 m	48 m	p value	n
Sex					0.524
Male	97	83	68	57		64
Female	92	70	70	70		44
Age (years)					< 0.001
< 41	100	91	91	85		53
≥ 41	86	58	52	43		55
KPS (%)					< 0.001
< 90	86	50	45	39		25
≥ 90	95	86	80	77		69
IDH					0.006
Mutant	93	81	76	69		84
Wildtype	89	44	33	33		9
MGMT					0.428
Methylated	93	75	70	66		86
Non-methylated	88	66	57	47		19
Resection					< 0.001
Biopsy	74	37	19	19		13
Subtotal	91	75	69	60		25
Gross total	97	81	80	76		65

Bold values indicate statistically significant p values

OS overall survival, KPS Karnofsky performance status, IDH isocitrate dehydrogenase type 1 and 2, MGMT O6-methylguanine-DNA-methyltransferase