5.
Correlation between clinicopathological characteristics and BRAFV600E mutation in PTMC
| Parameter | Case (n=299) | BRAF V600E mutation (n=249) | BRAF V600E wild-type (n=50) | P |
| CLNM | 0.265 | |||
| Positive | 140 (46.8) | 113 (80.7) | 27 (19.3) | |
| Negative | 159 (53.2) | 136 (85.5) | 23 (14.5) | |
| Multifocal | ||||
| Yes | 143 (47.8) | 122 (85.3) | 21 (14.7) | 0.366 |
| No | 156 (52.2) | 127 (81.4) | 29 (18.6) | |
| Extrathyroidal extension | ||||
| Yes | 233 (77.9) | 192 (82.4) | 41 (17.6) | 0.447 |
| No | 66 (22.1) | 57 (86.4) | 9 (13.6) | |
| LLNM | ||||
| Positive | 23 (7.7) | 22 (95.7) | 1 (4.3) | 0.075 |
| Negative | 276 (92.3) | 227 (82.2) | 49 (17.8) | |
| Recurrence | ||||
| No | 283 (94.6) | 234 (82.7) | 49 (17.3) | 0.088 |
| Yes | 16 (5.4) | 15 (93.8) | 1 (6.2) |