- Univariate analysis of the 15-year locoregional recurrence-free survival in all patients (N=57).
| Characteristics | n (%) | 15-year LRRFS | P-value* |
|---|---|---|---|
| Age (years) | |||
| <55 | 34 (59.6) | 48.0 | 0.597 |
| ≥55 | 23 (40.4) | 51.8 | |
| Gender | |||
| Male | 12 (21.1) | 22.2 | 0.008 |
| Female | 45 (78.9) | 57.4 | |
| Variant | |||
| Classic | 54 (94.7) | 50.2 | 0.442 |
| Follicular | 3 (5.3) | 33.3 | |
| Resection margin | |||
| Negative | 53 (93.0) | 47.9 | 0.636 |
| Positive | 4 (7.0) | 75.0 | |
| Patient group | |||
| RT | 24 (42.1) | 80.5 | <0.001 |
| Non-RT | 33 (57.9) | 28.1 | |
Values are presented as numbers and percentages (%).
LRRFS: locoregional recurrence-free survival, RT: radiation therapy,
↵* Log-rank test