Table 3.

Patient and tumor characteristics.

Variable	(N = 178)
Histopathological grade, n (%)
High	140 (78.7)
Low	38 (2.3)
Sex, n (%)
Female (all)	76 (42.7)
Female with a high-grade tumor	53 (69.7)
Female with a low-grade tumor	23 (30.3)
Age (years), mean ± standard deviation
All patients	53.7 ± 14.6
Patients with a high-grade tumor	55.8 ± 13.7
Patients with a low-grade tumor	46.1 ± 15.7
Histological type, n (%)
Glioblastoma	111 (62.4)
WHO grade 2 astrocytoma	19 (10.7)
WHO grade 3 astrocytoma	16 (9.0)
Other	32 (17.9)
Immunohistochemistry, n (%)
IDH mutation	47 (26.0)
Ki-67	76 (42.7)