Table 1. Clinical characteristics of breast cancer patients.
| Variables | Case, n (%) |
|---|---|
| Age at diagnosis (years) | |
| ≥60 | 494 (46.5) |
| <60 | 568 (53.5) |
| Gender | |
| Male | 12 (1.1) |
| Female | 1,050 (98.9) |
| Metastasis | |
| M0 | 879 (82.8) |
| M1 | 21 (2.0) |
| MX | 162 (15.3) |
| Lymph-node status | |
| N0 | 498 (46.9) |
| N1−3 | 544 (51.2) |
| NX | 20 (1.9) |
| Clinical stage | |
| I+II | 779 (73.4) |
| III+IV | 261 (24.6) |
| NA | 22 (2.1) |
| T stage | |
| T1+T2 | 892 (84.0) |
| T3+T4 | 167 (15.7) |
| TX | 3 (0.3) |
| ER status | |
| Positive | 782 (73.6) |
| Negative | 232 (21.8) |
| NA | 48 (4.5) |
| PR status | |
| Positive | 680 (64.0) |
| Negative | 331 (31.2) |
| NA | 51 (4.8) |
| Her2 status | |
| Positive | 173 (16.3) |
| Negative | 748 (70.4) |
| NA | 141 (13.3) |
NA, non-available.