- Comparison of patients and tumor characteristics between the RT and non-RT groups (N=57).
| Characteristic | All patients | RT (n=24) | Non-RT (n=33) | P-value |
|---|---|---|---|---|
| Age (years) | ||||
| <55 | 33 (57.9) | 14 (58.3) | 20 (60.6) | 0.863* |
| ≥55 | 24 (42.1) | 10 (41.7) | 13 (39.4) | |
| Gender | ||||
| Male | 12 (21.1) | 4 (16.7) | 8 (24.2) | 0.489* |
| Female | 45 (78.9) | 20 (83.3) | 25 (75.8) | |
| Subtype | ||||
| Classic | 54 (94.7) | 23 (95.8) | 31 (93.9) | 1.000† |
| Follicular | 3 (5.3) | 1 (4.2) | 2 (6.1) | |
| rT classification | ||||
| 0 | 52 (91.2) | 20 (83.3) | 32 (97.0) | 0.151† |
| 4a | 5 (8.8) | 4 (16.7) | 1 (3.0) | |
| rN classification | ||||
| 0 | 4 (7.0) | 4 (16.7) | 0 (0.0) | 0.027† |
| 1b | 53 (93.0) | 20 (83.3) | 33 (100.0) | |
| Resection margin | ||||
| Negative | 53 (93.0) | 21 (87.5) | 32 (97.0) | 0.300† |
| Positive | 4 (7.0) | 3 (12.5) | 1 (3.0) | |