Expression pattern of CXC chemokine receptor-4 is correlated with lymph node metastasis in human invasive ductal carcinoma

Table 2 Clinicopathological features and CXCR4 staining intensities of diffuse type breast cancer

Feature	High intensity (n = 28)	Low intensity (n = 31)	P
Age (years)	52.4 ± 8.5	54.2 ± 9.6	NS
Sex
Male	1	0
Female	27	31	NS
Tumor size (cm)
≤ 2.0	9	10
2.0–5.0	15	18
>5.0	4	3	NS
Pathological type
Papillotubular	7	13
Solid tubular	6	3
Scirrhous	15	12
Others	0	3	NS
Histological grade
1	12	15
2	11	12
3	5	4	NS
Lymphatic invasion
Negative	11	20
Positive	17	11	NS
Venous invasion
Negative	16	25
Positive	12	6	NS
Estrogen receptor
Negative	11	12
Positive	15	14
Unknown	2	5	NS
Lymph node metastasis
Negative	15	17
Positive	13	14	NS
Distant metastasis
Negative	21	27
Positive	7	4	NS

The differences between the two groups were evaluated by χ² tests. NS; not significant.

ISSN: 1465-542X