Table 1.
Baseline clinicopathological characteristics of study patients
| Characteristic | N = 86 (%) |
|---|---|
| Age (years) | |
| Median | 12 |
| < 10 | 23 |
| 11–14 | 47 |
| 15–18 | 16 |
| Gender | |
| Male | 37 |
| Female | 49 |
| Tumor size (cm) | |
| < 1 | 8 (9.3) |
| 1.1–2 | 22 (25.6) |
| 2.1–4 | 40 (46.5) |
| > 4.1 | 16 (18.6) |
| Histology | |
| PTC | 60 (69.8) |
| Follicular variant | 22 (25.6) |
| Hurthle cell variant | 2 (2.3) |
| Hurthle cell carcinoma | 1 (1.2) |
| FTC | 1 (1.2) |
| Tumor focality | |
| Multifocal | 40 (46.5) |
| Unifocal | 46 (53.5) |
| ETE | |
| Minimal | 30 (35) |
| Extensive | 26 (30.2) |
| Absent | 30 (35) |
| LVI | |
| Yes | 42 (48.8) |
| No | 38 (44.2) |
| Unknown | 6 (7) |
| T stage | |
| T1 | 27 (31.4) |
| T2 | 26 (30.2) |
| T3a | 7 (8.1) |
| T3b | 10 (11.6) |
| T4a | 12 (14) |
| T4b | 4 (4.7) |
| N stage | |
| N0 | 16 (18.6) |
| N1a unilateral | 4 (4.7) |
| N1a bilateral | 1 (1.2) |
| N1b unilateral | 23 (26.7) |
| N1b bilateral | 42 (48.8) |