Table 1.

Relationship between CXCR4 expression and clinicopathologic parameters of the breast cancers.

	Age, years		Menses		Lymph nodes		Staging		HER2
	< 50	≥ 50	Meno-pause	Premeno-pause	≤ 3	> 3	I~II	III~IV	+	-
Cases	49	38	43	44	57	30	52	35	20	67
CXCR4+	14	15	16	19	14	16	6	27	13	15
CXCR4-	35	23	27	25	43	14	46	8	7	52
Positive rate (%)	28.6	39.5	37.2	43.2	24.6	53.3	10.5	77.1	65	22.4
Coefficient correlation r	0.085		-0.533		0.253		0.598		0.367
P value	0.453		0.785		0.032		0.000		0.015