Cohort characteristics
| Variable | N | % |
|---|---|---|
| Patients, total | 94 | |
| Age (years) | ||
| <35 | 3 | 3.2 |
| 36–50 | 26 | 27.6 |
| 51–54 | 11 | 11.8 |
| >55 | 54 | 57.4 |
| Histology | ||
| Ductal | 78 | 83.0 |
| Lobular | 14 | 14.9 |
| Other | 2 | 2.1 |
| Grade | ||
| 1 | 22 | 23.4 |
| 2 | 48 | 51.1 |
| 3 | 24 | 25.5 |
| Tumour size (mm) | ||
| 1–10 | 12 | 11.6 |
| 11–20 | 49 | 47.6 |
| 21–50 | 38 | 36.9 |
| >50 | 4 | 3.9 |