Table 3.

Malignant transformation-free survival.

		MTFS (Years)	95%-CI (Years)	p-Value
Patient age
	>50 years	9.2 ± 0.3	8.5–9.8
	≤50 years	7.3 ± 0.6	6.1–8.6	p = 0.2
Pattern of CE on MRI
	patchy/faint, focal	6.1 ± 0.7	4.6–7.5
	none	8.6 ± 0.7	7.3–10.0	p = 0.048
5-ALA fluorescence
	yes	3.9 ± 0.7	2.5–5.4
	no	8.0 ± 0.6	6.9–9.1	p = 0.03
Extent of resection
	complete	8.8 ± 0.8	7.2–10.4
	incomplete	6.6 ± 0.6	5.4–7.8	p = 0.07
Histological subtype
	oligodendroglioma IDH-mutant	7.5 ± 0.6	6.3–8.7
	diffuse astrocytoma IDH-mutant	7.3 ± 0.9	5.5–9.1	p = 0.57
IDH mutational status
	wildtype	n.a.	n.a.
	mutant	n.a.	n.a.	p = 0.60

Bold: highlight significant values.