Table 4. Correlation between the expression of Sox10 and clinicopathological characteristics of primary triple-negative breast carcinoma.

Clinico-pathological parameters	n=71	Sox10		χ2	P value
		+	−
Age				0.42	0.5150
<59	44	28	16
≥59	27	20	7
Grade				5.81	0.0160
II	26	13	13
III	45	35	10
Stage				6.54	0.0105
I–II	28	14	14
III	43	34	9
Diameter(cm)				2.31	0.1285
≤2	28	16	12
>2	43	32	11
Lymph node metastasis				7.39	0.0249
0	46	29	17
1–3	16	14	2
≥4	9	9	0
Morphology				1.71	0.1915
Ductal carcinoma	69	48	21
Lobular carcinoma	2	0	2