Table 1. Basic characteristic of patients with breast cancer and the control individuals.

Characteristics	Cases (N = 530)	Controls (N = 628)	p-value
Age			0.211
Mean ± SD	50.69 ± 11.74	51.04 ± 9.64
Menopause			0.909
Premenopausal	216 (40.8%)	258 (41.1%)
Postmenopausal	314 (59.2%)	370 (58.9%)
Clinical Stages
I	232 (43.8%)
II/III/IV	298 (56.2%)
Estrogen Receptor
Negative	220 (41.5%)
Positive	310 (58.5%)
Progestrone Receptor
Negative	278 (52.5%)
Positive	252 (47.5%)
HER2
Negative	208 (39.2%)
Positive	322 (60.8%)