Table 1.
Patient Characteristics at Baseline (N = 433)
| Characteristics | No. | Percentage (%) |
|---|---|---|
| Age, years | ||
| Median (Range) | 48 (23–78) | |
| ≤ 40 | 97 | 22.2 |
| > 40 | 336 | 77.8 |
| Menopausal status | ||
| Pre- or perimenopause | 286 | 66.0 |
| Postmenopause | 138 | 31.9 |
| Unknown | 9 | 2.1 |
| Histological subtype | ||
| Invasive ductal | 419 | 96.8 |
| Lobular | 6 | 1.4 |
| Metaplastic | 6 | 1.4 |
| Medullary | 2 | 0.5 |
| Grade | ||
| I-II | 100 | 23.1 |
| III | 333 | 76.9 |
| DFI | ||
| ≤ 1 year | 114 | 26.3 |
| > 1 year | 267 | 61.7 |
| IV | 52 | 12.0 |
| Prior neo/adjuvant chemotherapy | ||
| Anthracycline-containing regimen | 323 | 84.8 |
| Anthracycline and Taxanes regimen | 268 | 70.3 |
| Cyclophosphamide | 340 | 89.2 |
| Initial site of mTNBC | ||
| Lymph nodes | 247 | 57 |
| Liver | 101 | 23.3 |
| Lung | 183 | 42.3 |
| Bone | 105 | 24.3 |
| Pleural effusion | 52 | 12 |
| Local recurrence | 105 | 24.2 |
| Brain | 32 | 7.4 |
| Contralateral breast | 2 | 0.5 |
| Visceral metastasis | ||
| Yes | 252 | 58.2 |
| No | 181 | 41.8 |
| Number of metastatic organ sites | ||
| ≥ 3 | 37 | 8.5 |
| < 3 | 396 | 91.5 |
DFI disease free interval