Table 1.

The relationship between CXCR4 expression and other parameters

		CXCR4 Positivity		CXCR4 positivity
Factor		Cytoplasm	p value	Nucleus	p value
Age	<50	28/65 (43%)	0.1298	17/65 (26%)	0.8896
	≧51	28/48 (58%)		12/48 (25%)
Histology	Ductal	54/104 (52%)	0.1620	28/104 (27%)	0.4432
	Others	2/9 (22%)		1/9 (11%)
Tumor size	pT1	15/34 (44%)	0.5395	11/34 (32%)	0.3487
	pT2-4	41/79 (52%)		18/79 (23%)
ER	Negative	24/45 (53%)	0.5671	11/45 (24%)	0.8302
	Positive	32/68 (47%)		18/68 (26%)
PgR	Negative	27/51 (53%)	0.5729	12/51 (24%)	0.6710
	Positive	29/62 (47%)		17/62 (27%)
c-erbB-2	Negative	39/81 (48%)	0.6800	22/81 (27%)	0.6387
	Positive	17/32 (53%)		7/32 (22%)
p53	Negative	36/73 (49%)	0.9445	22/73 (30%)	0.1789
	Positive	20/40 (50%)		7/40 (18%)
Histological	I and II	31/66 (47%)	0.5695	16/66 (24%)	0.8273
Grade	III	25/47 (53%)		13/47 (28%)
Nitrotyrosine formation	Low	10/48 (21%)	<0.001	11/48 (23%)	0.6649
	High	46/65 (71%)		18/65 (28%)
Distant metastasis	Negative	34/84 (40%)	0.0012	22/84 (26%)	1.0000
	Positive	22/29 (76%)		7/29 (24%)