Table 1. Patient characteristics.
| Patient characteristics | ||
|---|---|---|
| Median | ||
| Age | 57 years | 32–79 |
| N (174) | (%) | |
| Menopausal status | ||
| Post | 115 | 66 |
| Pre | 59 | 34 |
| Histological subtype | ||
| Ductal | 137 | 78.7 |
| Lobular | 12 | 6.9 |
| Other | 25 | 14.4 |
| T size (TNM) | ||
| Tmic | 4 | 0.7 |
| T1a | 10 | 3.5 |
| T1b | 35 | 19.9 |
| T1c | 95 | 58.2 |
| T2 | 30 | 17.7 |
| Histological grade | ||
| Grade I | 48 | 27.5 |
| Grade II | 66 | 37.9 |
| Grade III | 58 | 33.3 |
| Unknown | 2 | 1.1 |
| Lymphovascular invasion | ||
| Yes | 43 | 24.7 |
| No | 130 | 74.7 |
| Unknown | 1 | 0.5 |
| Ki-67 | ||
| ≤13% | 59 | 34 |
| >13% | 108 | 62 |
| Unknown | 7 | 4 |
| Estrogen receptors | ||
| Positive | 142 | 81.3 |
| Negative | 31 | 17.8 |
| Unknown | 1 | 0.5 |
| HER2 | ||
| Positive | 24 | 13.8 |
| Negative | 147 | 84.5 |
| Unknown | 3 | 1.7 |
| Axillary node status* | ||
| Positive | 66 | 37.9 |
| Negative | 108 | 62.1 |
| Breast cancer intrinsic subtype | ||
| Luminal A | 57 | 32.8 |
| Luminal B HER2 – | 68 | 39.1 |
| Luminal B HER2 + | 13 | 7.5 |
| Pure HER2 + | 10 | 5.7 |
| Triple negative | 19 | 10.9 |
| Unknown | 7 | 4 |