Table 1.

Demographic data of patient cohort and validation cohort.

	Patient cohort	Validation cohort
Age [median (range)]	59 (19–82)	61 (9–84)
Sex
Male	55	37
Female	36	26
Location
Frontal	18	20
Temporal	19	18
Parietal	23	13
Occipital	1	3
>1 lobe	30	9
Grade
II	18	11
III	8	7
IV	65	45
Events
Death	65 (follow-up: 6–104 months, median 17 months)	41 (follow-up: 2–39 months, median 12 months)
Censored	26 (follow-up: 8–48 months, median 13 months)	22 (follow-up: 16–52 months, median 16.5 months)
Surgery
Partial	55	24
Complete	36	39
Radiotherapy
Yes	72a	57a
No	19	6
Chemotherapy
Yes	23b	43
No	35	6
Information not available	33	14

Data are n unless otherwise stated.

^aPostoperative radiotherapy (a total dose of 60 Gy in 30–33 fractions).

^bGliadel in 4 cases, Temodal in 14 cases and Gliadel plus Temodal in 5 cases.