Table 1. Glioblastoma patient characteristics.

Parameter	Training set		Validation set
	STS (n = 10)	LTS (n = 9)	Continuous (n = 19)
Patient age
Mean (range)	59.6 (49.0–68.0)	56.8 (37.0–72.0)	55.8 (42.0–69.0)
Overall survival (months)
Mean (range)	7 (5–9)	21 (17–32)	13 (5–21)
Radiation
Yes	8	8	19
No	1	1	0
Unknown	1	0	0
Temozolomide
Concomitant	0	0	0
Adjuvant (at tumor relapse)	0	4	1
Unknown	0	0	0
Resection
Partial	4	5	11
Radical	4	3	5
Unknown	2	1	3
Tumor tissue (%)
Mean (range)	77.0 (60.0–100.0)	82.8 (70.0–100.0)	78.4 (60.0–100.0)
Specimen age
Mean (range)	13.5 (8.4–19.7)	12.4 (7.5–17.6)	13.1 (7.1–20.5)

Abbreviations: LTS: long-term survivors; STS short-time survivors