TABLE 1.
Patient demographics and clinical characteristics.
| Characteristic | No. of patients (%) |
|---|---|
| Total number | 999 (100) |
| Age (years) | 58 (48, 67) |
| T stage | |
| 1 | 271 (27.1) |
| 2 | 567 (56.8) |
| 3 | 124 (12.4) |
| Unknown | 37 (3.7) |
| N stage | |
| 0 | 461 (46.2) |
| 1 | 343 (34.3) |
| 2 | 108 (10.8) |
| 3 | 70 (7.0) |
| Unknown | 17 (1.7) |
| TNM stage | |
| I | 167 (16.7) |
| II | 575 (57.6) |
| III | 240 (24.0) |
| Unknown | 17 (1.7) |
| Tumor type | |
| HR+/HER-2- | 559 (56.0) |
| HR+/HER-2+ | 138 (13.8) |
| HR-/HER-2+ | 36 (3.6) |
| TNBC | 137 (13.7) |
| Unknown | 129 (12.9) |
| ER status | |
| Positive | 208 (20.8) |
| Negative | 751 (75.2) |
| Unknown | 40 (4.0) |
| PR status | |
| Positive | 299 (29.9) |
| Negative | 659 (66.0) |
| Unknown | 41 (4.1) |
| HER2 status | |
| Positive | 697 (69.8) |
| Negative | 174 (17.4) |
| Unknown | 128 (12.8) |