Table 4.

Clinical and pathologic characteristics between the two groups according to the Ki67 expression intensity

Characteristic		Group 1 (Ki67 < 2.5%) n = 300	Group 2 (Ki67 ≥ 2.5%) n = 271	P value
T Stage	T1	191	108	< 0.001
	T2	48	59
	T3	62	99
	T4	0	5
TNM Staging	Stage I	172	111	< 0.001
	Stage II	23	36
	Stage III	105	119
	Stage IV	0	5
Recurrence	Yes	1	6	0.042
	No	299	265
Mortality	Yes	0	1	0.293
	No	300	270