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Table 3
Analysis of the correlation between the BRCA1 results and clinicopathological parameters in the young groups and old groups
Items	Young groups (n) BRCA1		Old groups (n) BRCA1		r	P
	—	+	—	+
ER					0.042	0.540
—	13	23	21	10
+	24	47	51	30
PR					0.073	0.282
—	20	29	42	25
+	17	41	30	15
C-erbB2					0.051	0.452
—	29	49	59	34
+	8	21	13	6
Ki67					0.074	0.272
<15%	12	31	29	21
≥15%	25	39	43	19
WWOX					−0.145	0.128
—	6	8	7	8
+	31	62	65	32
Histological grades					0.077	0.260
I	2	1	10	9
II	26	43	53	28
III	9	26	9	3
PTNM					0.158	0.020 *
0~I	5	9	25	11
II	21	34	38	21
III	11	27	9	8
Axillary lymph node metastasis					0.205	0.002*
Yes	23	48	22	18
No	14	22	50	22

Note: *, P < 0.05.

Zhang et al. Diagnostic Pathology 2012 7:181 doi:10.1186/1746-1596-7-181

Table 3