Table 1. Patient characteristics.

	Number of patients
Characteristics	P=21	%
Age, median (range), years	43 (32–77)
Sex
Male	7	33
Female	14	67
Histology
Oligodendroglioma	14	67
Oligoastrocytoma	5	24
Astrocytoma	2	9
Karnofsky score, median (range)	90 (80–100)
Surgery
Biopsy	12	56
Resection	9	44
Time interval from diagnosis to onset of TMZ, median (range), months	4 (1–84)
MRI (contrast enhancement)
Yes	3	14.7
No	17	81

Abbreviations: MRI=magnetic resonance imaging; TMZ=temozolomide.