| Characteristics | n | % |
| Gender |
|
|
| Male | 29 | 19 |
| Female | 124 | 81 |
| Age at diagnosis (years) |
|
|
| <45 | 101 | 66 |
| ≥45 | 52 | 34 |
| Histopathologc type |
|
|
| Well differentiated type | 140 | 91.5 |
| Poor prognostic types* | 13 | 8.5 |
| T stage |
|
|
| T1a | 77 | 50 |
| T1b | 58 | 38 |
| T2 | 10 | 6.5 |
| T3 | 8 | 5.5 |
| Central LN metastasis (+/−) | 61/92 | 40/60 |
| Lateral LN metastasis (+/−) | 23/130 | 15/85 |
| Presence of CLT (+/−) | 70/83 | 46/54 |
| Existence of TT in CLND material (+/−) | 63/90 | 41/59 |