Table 1.

Clinical Characteristics of Study Specimen

Grade (WHO)	Case	Mean age (years)		Gender		Resection range		Radio-therapy		Chemo-therapy
		≤ 40.8	> 40.8	Male	Female	Part	All	Yes	No	Yes	No
I	18	15	3	9	9	1	17	15	3	0	18
II	99	64	35	55	44	25	74	63	36	22	77
III	48	16	32	35	13	15	33	40	8	26	22
IV	72	19	53	42	30	27	45	53	19	16	56
Total	237	114	123	141	96	68	169	171	66	64	173

Categorical data are presented as numbers.