Table 2. Associations of BRCA1 nuclear expression and clinico-pathological characteristics in young breast cancer patients.

Characteristics	BRCA1 nuclear negative	BRCA1 nuclear positive	P
Tumor size
T1/T2	21 (53.8%)	18 (46.2%)	0.147
T3/T4	14 (73.7%)	5 (26.3%)
Node status
Negative	16 (57.1%)	12 (42.9%)	0.843
Positive	25 (59.5%)	17 (40.5%)
Distal metastasis
Negative	30 (57.7%)	22 (42.3%)	0.800
Positive	11 (61.1%)	7 (38.9%)
TNM stage
I/II	18 (60.0%)	12 (40.0%)	0.698
III	22 (64.7%)	12 (35.3%)
Histological grade
G1/G2	20 (52.6%)	18 (47.4%)	0.100
G3	19 (73.1%)	7 (26.9%)
ER status
Negative	14 (58.3%)	10 (41.7%)	0.977
Positive	27 (58.7%)	19 (41.3%)
HER2 status
Negative	18 (62.1%)	11 (37.9%)	0.644
Positive	18 (56.3%)	14 (43.8%)
Molecular classification
Non-Luminal	14 (66.7%)	7 (33.3%)	0.368
Luminal	27 (55.1%)	22 (44.9%)