Table 5.

Relationship between Ki67 immunoreactivity and clinicopathologic characteristics

Variables	Ki67
	1+	2+	3+
	n = 64	n = 51	n = 16	p
Age				0.314
<65 yrs	23	19	9
≥65 yrs	41	32	7
Gender				0.354
Male	39	28	12
Female	25	23	4
Stage				0.048*
I/II	39	20	10
III/IV	25	31	6
Lymph node metastasis				0.467
negative	41	27	10
positive	23	24	6
Location				0.264
Proximal	15	15	7
Distal	49	36	9