Table 4. TFAM expression in paraffin tissues and its correlation with some clinicopathologic factors.

Variable	Total	TFAM expression		P
		Positive	Negative
Patient number	86	70	16
Age (year)
<60	52	43	9
≥60	34	27	7	0.702
Gender
Male	69	56	13
Female	17	14	3	0.91
ED Grade
Grade I & II	71	56	15
Grade III & IV	15	14	1	0.191
Tumor Size#
≤5cm	51	38	13
>5cm	35	32	3	0.038

#, Tumor Size (5 cm) list here according the Primary Tumor (T) of TNM Categories in WHO (http://www.who.int/iris/handle/10665/68618).