Table 1.
Basic characteristics of the datasets
| Characteristics | Training Dataset (n = 87) | Validating Dataset (n = 449) |
|---|---|---|
| Age: mean (sd) | 62.8 (8.6) | 62.1 (12.1) |
| Grade (%) | ||
| I | 17 (19.5) | 116 (25.8) |
| II | 37 (42.5) | 230 (51.2) |
| III | 16 (18.4) | 64 (14.3) |
| Unknown | 17 (19.5) | 39 (8.7) |
| Size: mean (sd) | 2.5 (1.1) | 2.2 (1.2) |
| Lymph node status(%) | 58 (66.7) | 143 (31.8) |
| Type (%) | ||
| Basal-like | 1 (1.1) | 11 (2.4) |
| Her2+ | 3 (3.5) | 15 (3.3) |
| luminal A | 44 (50.6) | 267 (59.5) |
| luminal B | 39 (44.8) | 156 (34.7) |
| RFS | ||
| Time mean (sd) | – | 52.8 (41.7) |
| Event (%) | – | 150 (33.4) |
| DMFS | ||
| Time mean (sd) | 121.6 (56.1) | 48.84 (39.0) |
| Event (%) | 28 (32.2) | 62 (13.8) |