TABLE 2.

Demographic and clinicopathological characteristics of patients included in the study

Histopathological diagnosis		GBM, grade WHO IV
Number of cases		83
Mean age (Year)		50 (min ± 12.8 8, max 71)
	Male	50 (60%)
Gender
	Female	33 (40%)
Karnofsky performance status ≥ 80		83
	radiotherapy after first surgery	83/83 (100%)
	chemotherapy after first surgery	54/83 (65%)
Adjuvant treatment
	radiotherapy after second surgery	15/83 (18%)
	chemotherapy after second surgery	47/83 (56%)
MGMT (tested methylated in a subset of patients treated with TMZ)	Primary GBM	38/47 (81%)
	Recurrent GBM	46/47 (98%)
Time to recurrence (months)		0.84–67.30
Survival after second surgery (months)		0.03–25.75
Overall survival (months)		0.84–70.48

MGMT = methyl guanine methyl transferase; TMZ = temozolamide