Table II.

Association of clinicopathological characteristics of the patients with E-cadherin expression and Ki-67 index of the tumor.

		E-cadherin expression
Characteristics	n	(−)	(+)	%	P-value	Ki-67 index (%)
Gender
Male	10	1	9	90.0	0.317	1.19
Female	83	19	64	77.1		1.28
Age at operation, years
<45	23	7	16	69.6	0.230	1.44
≥45	70	13	57	81.4		1.21
Tumor diameter, mm
1–5	12	0	12	100.0	0.044	1.67
6–10	81	20	61	75.3		1.29
Capsular invasion
Negative	56	13	43	76.8	0.622	1.39
Positive	37	7	30	81.1		1.05
pT
1a	56	13	43	76.8	0.622	1.39
3	35	7	28	80.0		1.07
4	2	0	2	100.0		0.50
pN
0	36	9	27	75.0	0.514	1.31
1a	26	6	20	76.9		1.74
1b	31	5	26	83.9		0.88
M
0	92	20	72	78.3	0.785	1.27
1	1	0	1	100.0	-
pStage
I	39	11	28	71.8	0.181	1.24
II	1	0	1	100.0	-
III	29	7	22	75.9		1.63
IV	24	2	22	91.7		0.89
E-cadherin
Negative	-	-	-	-	-	2.27 (1.00a)
Positive	-	-	-	-		1.09
Total	93	20	73	78.4		1.27

^aWhen a case scored 15% it was excluded.