Table 1.
Patient and disease baseline characteristics.
| Characteristic | Overall | Recurrence score categories | |
|---|---|---|---|
| 0–25 (%) | 26–100 (%) | ||
| Age | |||
| Median - yr | 50.5 | ||
| Range -yr | 30–75 | ||
| Menopausal status | |||
| Pre-/perimenopausal | 12 (40) | 7 (58) | 5 (42) |
| Postmenopausal | 18 (60) | 13 (72) | 5 (28) |
| Histology | |||
| Ductal | 25 (83) | 16 (64) | 9 (36) |
| Lobular | 4 (13) | 3 (75) | 1 (25) |
| Mucinous | 1 (4) | 1 (100) | 0 |
| Primary tumor | |||
| T1c | 15 (50) | 9 (60) | 6 (40) |
| T2 | 15 (50) | 11 (73) | 4 (27) |
| Grade | |||
| G2 | 22 (73) | 17 (77) | 5 (23) |
| G3 | 8 (27) | 3 (37) | 5 (63) |
| Ki67 | |||
| ≤20 | 3 (10) | 2 (67) | 1 (33) |
| 21–30 | 19 (63) | 15 (79) | 4 (21) |
| >30 | 8 (27) | 3 (37) | 5 (63) |
| PgR | |||
| ≤20 | 12 (40) | 6 (50) | 6 (50) |
| >20 | 18 (60) | 14 (78) | 4 (22) |