Table 5.
Stratified analysis on the relationships of BRAFV600E mutation status with age and tumor size of PTC patients
| Variable | Total PTC | PTC > 10 mm group | PTMC | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Positive | Negative | Positive | Negative | Positive | Negative | ||||||||||
| n | (%) | n | (%) | P | n | (%) | n | (%) | P | n | (%) | n | (%) | P | |
| Age | |||||||||||||||
| ≤ 30 | 72 | (76) | 23 | (24) | 0.08 | 33 | (65) | 18 | (35) | 0.003 | 39 | (88) | 5 | (12) | 0.818 |
| 30~ | 154 | (86) | 25 | (14) | 57 | (85) | 10 | (15) | 97 | (87) | 15 | (13) | |||
| 40~ | 289 | (86) | 46 | (14) | 105 | (85) | 19 | (15) | 184 | (87) | 27 | (13) | |||
| 50~ | 208 | (87) | 32 | (13) | 82 | (90) | 9 | (10) | 126 | (85) | 23 | (15) | |||
| 60~ | 83 | (88) | 11 | (12) | 34 | (85) | 6 | (15) | 49 | (91) | 5 | (9) | |||
| Tumor size (mm) | |||||||||||||||
| ≤ 5 | 201 | (81) | 47 | (19) | 0.001 | – | – | – | – | 201 | (81) | 47 | (19) | < 0.001 | |
| 5~ | 294 | (91) | 28 | (9) | – | – | – | – | 294 | (91) | 28 | (9) | |||
| 10~ | 152 | (86) | 24 | (14) | 152 | (86) | 24 | (14) | 0.197 | – | – | – | – | ||
| 15~ | 77 | (84) | 15 | (16) | 77 | (84) | 15 | (16) | – | – | – | – | |||
| > 20 | 82 | (78) | 23 | (22) | 82 | (78) | 23 | (22) | – | – | – | – | |||
Abbreviations: PTC papillary thyroid carcinoma, PTMC papillary thyroid microcarcinoma