Table 1.
Baseline patients’ characteristics.
| N | % | |
|---|---|---|
| Median age, range | 47.5 | 29–70 |
| Menopausal status | ||
| Pre-menopausal | 29 | 65.9 |
| Post-menopausal | 15 | 34.1 |
| ECOG Performance Status | ||
| 0 | 35 | 79.5 |
| 1 | 9 | 20.5 |
| Median weight (kg), range | 63 | 47–108 |
| Median height (cm), range | 163 | 149–178 |
| BMI | ||
| <25 | 28 | 63.6 |
| ≥25 | 16 | 36.4 |
| Histologic grade | ||
| 1 | 1 | 2.3 |
| 2 | 27 | 61.3 |
| 3 | 16 | 36.4 |
| Perivascular invasion | ||
| No | 33 | 76.7 |
| Yes | 10 | 23.3 |
| Missing | 1 | |
| Estrogen receptor (IHC) | ||
| <10% | 9 | 20.9 |
| ≥10% | 34 | 79.1 |
| Missing | 1 | |
| Progesterone receptor (IHC) | ||
| <10% | 11 | 25.6 |
| ≥10% | 32 | 74.4 |
| Missing | 1 | |
| HER2+ (3+ by IHC and/or HER2 amplification) | ||
| No | 38 | 86.4 |
| Yes | 6 | 13.6 |
| Triple-negative breast cancer | ||
| No | 38 | 86.4 |
| Yes | 6 | 13.6 |
| Pathological staging (AJCC criteria, 7th edition) | ||
| I | 14 | 31.8 |
| IIA | 23 | 52.3 |
| IIB | 4 | 9.1 |
| IIIA | 3 | 6.8 |
Footnote: AJCC, American Joint Committee on Cancer Classification; BC, breast cancer; BMI, body mass index; ECOG, Eastern Cooperative Oncology Group; IHC, immunohistochemistry; WHO, World Health Organization.