Table 1.
Patient distribution within the cohort
| Total | Training | Test | Total | Training | Test | ||
|---|---|---|---|---|---|---|---|
| Age | Treatment | ||||||
| < 40 | 25 | 12 | 13 | Unknown | 1 | 1 | 0 |
| <=50 | 34 | 26 | 8 | BCT | 64 | 42 | 22 |
| >50 | 53 | 30 | 23 | PMRT | 17 | 9 | 8 |
| Mastectomy | 30 | 16 | 14 | ||||
| T stage | |||||||
| 0 | 1 | 0 | 1 | Chemotherapy | |||
| 1 | 60 | 38 | 22 | None | 4 | 4 | 0 |
| 2 | 38 | 22 | 16 | Anthracycline | 41 | 25 | 16 |
| 3 | 8 | 5 | 3 | Anthracycline+taxane | 49 | 28 | 21 |
| 4 | 5 | 3 | 2 | CMF | 15 | 9 | 6 |
| Other | 3 | 2 | 1 | ||||
| Nodes positive | |||||||
| 0 | 62 | 38 | 24 | BRCA1 mutation status | |||
| 1–3 | 32 | 21 | 11 | Negative | 78 | 45 | 33 |
| >=4 | 18 | 9 | 9 | Positive | 18 | 14 | 4 |
| Unknown variant | 5 | 3 | 2 | ||||
| M stage | Unknown | 11 | 6 | 5 | |||
| 0 | 110 | 66 | 44 | ||||
| 1 | 2 | 2 | 0 | Neoadjuvant chemo | |||
| Yes | 7 | 4 | 3 | ||||
| Grade | No | 105 | 64 | 41 | |||
| unknown | 1 | 1 | 0 | LVI | |||
| 1 | 0 | 0 | 0 | − | 57 | 37 | 20 |
| 2 | 1 | 1 | 0 | + | 48 | 27 | 21 |
| 3 | 110 | 66 | 44 | unknown | 7 | 4 | 3 |