Table 3. Correlations between change of epithelial and mesenchymal markers and clinicopathological variables.

		Loss of		Gain of			Overall
		ZO-1	E-cadherin	Vimentin	N-cadherin	Fibronectin
Age (year)
	<10	3	5	4	4	29	51
	≥10	21	16	17	7	45	68
	P	0.002b)	0.09	0.03a)	0.89	0.3
Body weight (kg)
	<10	16	14	13	9	49	82
	≥10	8	7	8	2	25	37
	P	0.99	0.99	0.61	0.53	0.42
Ovarian status
	spayed	6	4	5	1	11	16
	intact	18	17	16	10	63	103
	P	0.13	0.63	0.24	0.98	0.76
Experience of mastectomy
	first	14	15	12	6	55	88
	experienced	10	6	9	5	19	103
	P	0.09	0.99	0.1	0.24	0.9
Tumor size (cm)
	<3	9	8	7	2	36	60
	≥3	8	7	14	2	25	37
	P	0.23	0.32	0.14	0.054	0.62
Clinical stage
	I–III	20	14	17	8	64	106
	IV and V	4	7	4	3	10	13
	P	0.52	0.001b)	0.35	0.19	0.39
Histopathological type
	benign	3	7	2	1	46	71
	malignant	21	14	19	10	28	48
	P	<0.001b)	0.014a)	<0.001b)	0.001b)	0.48

a) P<0.05, b) P<0.01.