Table 2.
The number of events (e.g., death, distant metastasis, local recurrence, regional recurrence, and disease recurrence) in the training, internal, and external validation cohort
| Characteristic | Training | Internal testing | External testing |
|---|---|---|---|
| Death | 899 (13.3) | 425 (12.6) | 44 (13.1) |
| Distant metastasis | 858 (12.7) | 398 (11.8) | 44 (12.4) |
| Local recurrence | 406 (6.0) | 221 (6.5) | 16 (6.2) |
| Regional recurrence | 344 (5.1) | 182 (5.4) | 11 (5.2) |
| Disease recurrence | 1,443 (21.4) | 712 (21.1) | 77 (21.3) |
Values are presented as number (%).