Table 3.
Characteristics of thyroid cancer patients aged ≤ 45 and > 45 years
| Characteristics | ≤ 45 (n = 1408) |
> 45 (n = 1082) |
χ 2/F | P |
|---|---|---|---|---|
| Gender | ||||
| Male (n = 606) | 349 (24.8%) | 257 (23.8%) | 0.356 | 0.551 |
| Female (n = 1884) | 1059 (75.2%) | 825 (76.2%) | ||
| Weight | 63.36 ± 12.63 | 64.86 ± 10.25 | 6.855 | 0.009 |
| Blood type | ||||
| A (n = 718) | 423 (30.0%) | 295 (27.3%) | 80.401 | < 0.001 |
| B (n = 754) | 499 (35.4%) | 255 (23.6%) | ||
| AB (n = 382) | 215 (15.3%) | 167 (15.4%) | ||
| O (n = 636) | 271 (19.2%) | 365 (33.7%) | ||
| Lesion | ||||
| Unilateral (n = 1473) | 840 (59.7%) | 633 (58.5%) | 0.339 | 0.561 |
| Bilateral (n = 1017) | 568 (40.3%) | 449 (41.5%) | ||
| Histological type | ||||
| PTC (n = 1145) | 719 (51.1%) | 426 (39.4%) | 49.759 | < 0.001 |
| PTMC (n = 1295) | 672 (47.7%) | 623 (57.6%) | ||
| FTC (n = 20) | 11 (0.8%) | 9 (0.8%) | ||
| MTC (n = 12) | 5 (0.4%) | 7 (0.6%) | ||
| Others (n = 18) | 1 (0.1%) | 17 (1.6%) | ||
| LN metastasis | ||||
| Yes (n = 1174) | 664 (47.2%) | 510 (47.1%) | 0.00 | 0.99 |
| No (n = 1316) | 744 (52.8%) | 572 (52.9%) | ||
| Surgery | ||||
| Total thyroidectomy (n = 2087) | 1197 (85.0%) | 890 (82.3%) | 3.434 | 0.064 |
| Near total thyroidectomy (n = 403) | 211 (15.0%) | 192 (17.7%) | ||
| BRAF detection rate (n = 1708/2490) | 977/1408 (69.4%) | 731/1082 (67.6%) | 0.95 | 0.33 |
| BRAF mutation | ||||
| Yes (n = 1444) | 794/977 (81.3%) | 650/731 (88.9%) | 18.727 | < 0.001 |
| No (n = 264) | 183/987 (18.5%) | 81/734 (11.1%) | ||
| Follow‐up rate | 1256/1408 (89.2%) | 863/1082 (79.8%) | 43.044 | < 0.001 |
| Recurrence | ||||
| Yes | 133 (9.4%) | 89 (8.2%) | 1.122 | 0.289 |
| No | 1275 (90.6%) | 993 (91.8%) |
FTC, follicular thyroid cancer; LN, lymph node; MTC, medullary thyroid cancer; PTC, papillary thyroid cancer; PTMC, papillary thyroid microcarcinoma.