Table 2. Patient characteristics.

Characteristics	Data (n=21) [%]
Sex
Male	11 [48]
Female	10 [52]
Age (years)
≤45	8 [35]
>45	13 [62]
Histopathological subtype (recurrence)
Anaplastic astrocytoma (AA)	3 [14]
Glioblastoma multiforme (GBM)	18 [86]
Tumor location
Frontal lobe	5 [24]
Parietal lobe	7 [33]
Temporal lobe	6 [29]
Occipital lobe	2 [9]
Others	1 [5]
Tumor size (cm)
≤5	10 [48]
>5	11 [52]
Extend of surgery
Gross total resection	7 [33]
Subtotal resection	6 [29]
Biopsy only	8 [38]