Table 2.
Histological/immunohistochemical data for the patient population
| Histopathological index | Frequency (%) | Mean ± δ (%) | Range (%) | |
|---|---|---|---|---|
| Histological type | IDC | 100 | ||
| Histological grade | G1 | 3 | ||
| G2 | 13 | |||
| G3 | 55 | |||
| G not available | 29 | |||
| ER | Positive (>0%) | 47 | 71 ± 31 | 0–90 |
| Negative (<0%) | 53 | 0 ± 0 | ||
| PR | Positive (>0%) | 39 | 38 ± 38 | 0–80 |
| Negative (<0%) | 61 | 0 ± 0 | ||
| c-erbB-2 | Positive (Score 3+/Score 2+ FISH positive) | 21 | ||
| Negative | 79 | |||
| Molecular subtype | Luminal A | 24 | ||
| Luminal B | 21 | |||
| Triple Negative/basal-like | 42 | |||
| HER2+ | 13 | |||
| MiB-1 | Positive (≥18%) | 81 | 44 ± 15 | 4–80 |
| Negative (<18%) | 19 | 15 ± 4 | ||