Patient and Tumor Characteristics
| Characteristic | THW (n = 74) | rhTSH (n = 320) | P |
|---|---|---|---|
| Mean age (±SD) at diagnosis (y) | 44.0 ± 15.0 | 48.3 ± 15.0 | 0.03 |
| Sex (%) | |||
| Female | 67.6 | 72.2 | 0.43 |
| Male | 32.4 | 27.8 | |
| Cancer histology (%) | |||
| Papillary | 58.1 | 65.6 | 0.14 |
| Follicular | 1.4 | 2.2 | |
| Follicular variant of papillary | 39.2 | 26.3 | |
| Hurthle | 1.4 | 3.8 | |
| Poorly differentiated | — | 2.2 | |
| TNM classification (%) | |||
| TX | 1.4 | — | 0.06 |
| T1 | 37.8 | 26.3 | |
| T2 | 21.6 | 19.7 | |
| T3 | 33.8 | 45.9 | |
| T4a | 5.4 | 6.6 | |
| T4b | — | 1.6 | |
| NX | — | 0.3 | 0.50 |
| N0 | 58.1 | 48.8 | |
| N1a | 17.6 | 23.1 | |
| N1b | 24.3 | 27.8 | |
| M0 | 93.2 | 94.4 | 0.71 |
| M1 | 6.8 | 5.6 | |
| Disease stage (AJCC6) | |||
| I | 59.5 | 52.8 | 0.85 |
| II | 6.8 | 8.1 | |
| III | 17.6 | 21.6 | |
| IVa | 12.2 | 13.4 | |
| IVb | — | 0.9 | |
| IVc | 4.1 | 3.1 |