| Variables | PTC | FTC | ATC | MTC |
| Tumor size | No | No | No | No |
| <1 cm | 25 | 1 | 0 | 0 |
| 1.1 - 2 cm | 24 | 5 | 0 | 0 |
| 2.1 - 4 cm | 22 | 4 | 0 | 2 |
| >4 cm | 17 | 9 | 2 | 3 |
| Extra thyroidal extension | 15 | 1 | 2 |
|
| Lymph node metastasis | 25 | 1 | 2 | 2 |
| Local recurrence | 10 | 1 | 0 | 0 |
| Distant metastasis | 14 | 2 | 0 | 2 |
| Local recurrence | 10 | 1 | 0 | 0 |
| Distant metastasis | 14 | 2 | 0 | 2 |