Table 1 Clinicopathological information of breast cancer cases and controls
Group | Clinical data | Number (%) |
|---|---|---|
Controls (N = 252, mean age = 41.2 ± 10.9) | ||
Age (years) | < 50 | 205 (81.3) |
50–70 | 45 (17.9) | |
> 70 | 2 (0.8) | |
Breast cancer cases (N = 254, mean age = 49.5 ± 9.9) | ||
Age (years) | < 50 | 125 (49.2) |
50–70 | 125 (49.2) | |
> 70 | 4 (1.6) | |
Menopausal status | Premenopausal | 127 (50.0) |
Postmenopausal | 114 (44.9) | |
NA | 13 (5.1) | |
Tumor type | IDC | 221 (87.0) |
ILC | 9 (3.5) | |
Others | 12 (4.7) | |
NA | 12 (4.7) | |
Tumor stagea | I | 7 (2.9) |
II | 164 (67.8) | |
III | 40 (16.5) | |
IV | 3 (1.2) | |
NA | 28 (11.6) | |