Table 1.

Clinical Characteristics of the GBM Patient Cohort (N = 80)

Characteristic	n	%
Sex
Female	30	38
Male	50	62
Clinical trial enrollment
No	54	68
Yes	25	31
Unknown	1	1
Tumor necrosis (n = 77)
No	22	29
Yes	55	71
Surgical approach
Craniotomy/resection	77	96
Biopsy	3	4
EOR (n = 77)
GTR	57	74
STR	20	26

EOR, extent of resection; GTR, gross total resection; STR, subtotal resection.