Table 2.
Cumulative probability of recurrence at the end of follow-up
| Cumulative probability | Value |
| Preoperative stage T1 (120 patients) | |
| Follow-up: 253 mo | Patients with stage T1 before radiotherapy |
| Probability of death (95%CI) | 0.47 (0.21-0.64) |
| Events (n) | 22 |
| Stage T2 before radiotherapy (185 patients) | |
| Follow-up: 255 mo | Patients with stage T2 lesions before radiotherapy |
| Probability of local recurrence or | 0.13 (0.08-0.18) |
| metastasis (95%CI) | |
| Events (n) | 21 |
| Probability of cancer-specific death (95%CI) | 0.07 (0.03-0.12) |
| Events (n) | 10 |
| Probability of death (95%CI) | 0.50 (0.21-0.68) |
| Events (n) | 33 |
| Stage T3 before radiotherapy (120 patients) | |
| Follow-up: 239 mo | Patients with stage T3 lesions before radiotherapy |
| Probability of local recurrence or | 0.12 (0.05-0.17) |
| metastasis (95%CI) | |
| Events (n) | 13 |
| Probability of cancer-specific death (95%CI) | 0.11 (0.06-0.17) |
| Events (n) | 11 |
| Probability of death (95%CI) | 0.55 (0.33-0.70) |
| Events (n) | 33 |