Table 1.

Baseline demographic and clinical characteristics

Characteristics	N (%) or Median (range)
Age (years)	51 (27–73)
Gender
Male	18 (55)
Female	15 (45)
KPS
60%	2 (6)
70 or 80%	20 (61)
90 or 100%	11 (33)
Histological diagnosis
Anaplastic astrocytoma	6 (18)
Anaplastic oligodendroglioma	2 (6)
Glioblastoma multiforme	25 (76)
Concomitant antiseizure drugs
Enzyme inducing	17 (52)
Carbemazepine	6 (35)
Phenobarbital	1 (6)
Phenytoin	9 (53)
Primidone	1 (6)
None or not enzyme inducing	16 (48)
Lamotrigine	1 (6)
Levetiracetam	2 (13)
Valproic Acid	1 (6)
Glucocorticoid use
+EIAD cohort	6 (35)
−EIAD cohort	9 (56)