Table 5.
Correlation between BRAF status and clinical features
| Index |
BRAF positive (n = 1444) |
BRAF negative (n = 264) |
χ 2/F | P |
|---|---|---|---|---|
| Gender | ||||
| Male (n = 418) | 351 | 67 | 0.139 | 0.71 |
| Female (n = 1290) | 1093 | 197 | ||
| Age | ||||
| Average | 44.1 ± 10.76 | 39.4 ± 11.60 | 5.547 | 0.019 |
| Median | 44 (14–80) | 39 (6–69) | ||
| Lesion | ||||
| Unilateral (n = 1389) | 1153 | 236 | 13.392 | < 0.001 |
| Bilateral (n = 319) | 291 | 28 | ||
| Focal | ||||
| Unifocal (n = 919) | 753 | 166 | 10.343 | 0.001 |
| Multifocal (n = 789) | 691 | 98 | ||
| Histological type | ||||
| PTC (n = 725) | 605 | 120 | 35.7 | < 0.001 |
| PTMC (n = 952) | 827 | 125 | ||
| FTC (n = 13) | 5 | 8 | ||
| MTC (n = 1) | 0 | 1 | ||
| Others (n = 7) | 4 | 3 | ||
| LN metastasis | ||||
| Yes (n = 1059) | 943 (65.3%) | 116 (43.9%) | 43.245 | < 0.001 |
| No (n = 649) | 501 | 148 |
FTC, follicular thyroid cancer; LN, lymph node; MTC, medullary thyroid cancer; PTC, papillary thyroid cancer; PTMC, papillary thyroid microcarcinoma.