Table 1.

Patient characteristics

Sample	Age at Surgery (Years)a	Gender	Histology	Tumor Localization and Size (cm)
O1	54	F	Oligodendroglioma	T, R, >4
O2	25	F	Oligodendroglioma	F, L, <4
O3	52	F	Oligodendroglioma	F, ?, >4
O4	47	F	Oligodendroglioma	F, ?, ⩽4
O5	44	M	Oligodendroglioma	F, L, >4
O6	50	F	Oligodendroglioma	F, ?, ⩽4
OA1	36	F	Oligoastrocytoma	FT, R, >4
OA2	31	M	Oligoastrocytoma	F, R, >4
OA3	33	M	Oligoastrocytoma	T, R, >4
OA4	37	F	Oligoastrocytoma	FT, C, >4
OA5	39	M	Oligoastrocytoma	FT, L, >4
OA6	42	M	Oligoastrocytoma	FT, R, >4
OA7	59	M	Oligoastrocytoma	F, ?, ⩽4
OA8	37	F	Oligoastrocytoma	TP, L, >4
A1	17	M	Astrocytoma	F, L, <4
A2	46	M	Astrocytoma	F, ?, >4
A3	53	F	Astrocytoma	O, R, <4
A4	46	M	Astrocytoma	TP, L, ⩽4
A5	27	M	Astrocytoma	F, R, >4
A6	71	M	Astrocytoma	FTO, L, >4
A7	35	M	Astrocytoma	FT, R, ⩽4
A8	31	M	Astrocytoma	F, R, ⩽4
A9	67	F	Astrocytoma	T, ?, >4

Abbreviations: F, female; M, male; A, astrocytoma grade II; O, oligodendroglioma grade II; OA, oligoastrocytoma grade II; F, frontal; T, temporal; P, parietal; O, occipital; C, central; R, right; L, left; ?, data missing.

^aAverage age = 42.6 years, SD = 13.2 years.