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. 2021 Jan;10(1):242–251. doi: 10.21037/gs-20-589

Table 1. The association of BRAF V600E, RET mutations and clinicopathologic characteristics in papillary thyroid carcinoma (case, %).

Items BRAF V600E RET
Mutation (n=55) wild-type (n=13) P value Mutation (n=7) Wild-type (n=61) P value
Sex 0.670
   Male 16 (29.1%) 1 (7.7%) 0.160 1 (14.3%) 16 (26.2%)
   Female 39 (70.9%) 12 (92.3%) 6 (85.7%) 45 (73.8%)
Age at diagnosis, years
   Mean ± SD 40.9±10.2 30.2±11.9 0.001 25.6±12.4 40.4±10.2 0.001
   <55 50 (90.9%) 13 (100.0%) 0.575 7 (100.0%) 56 (91.8%) 1.000
   ≥55 5 (9.1%) 0 (0.0%) 0 (0.0%) 5 (8.2%)
Tumor size in mm
   Mean ± SD 15.1±7.6 19.8±11.5 0.186 17.7±12.0 15.8±8.2 0.585
   ≤10 18 (32.7%) 3 (23.1%) 0.740 3 (42.9%) 18 (29.5%) 0.668
   >10 37 (67.3%) 10 (77.9%) 4 (57.1%) 43 (70.5%)
cN0 0.107
   Yes 30 (54.5%) 3 (23.1%) 0.041 1 (14.3%) 32 (52.5%)
   No 25 (45.5%) 10 (76.9%) 6 (85.7%) 29 (47.5%)
Location 0.409
   Upper 20 (36.4%) 3 (23.1%) 0.519 1 (14.3%) 22 (36.1%)
   Middle/lower 35 (63.6%) 10 (76.9%) 6 (85.7%) 39 (63.9%)
HT 0.390
   Yes 14 (25.5%) 5 (38.5%) 0.492 3 (42.9%) 16 (26.2%)
   No 41 (74.5%) 8 (61.5%) 4 (57.1%) 45 (73.8%)
ETE 0.415
   Yes 38 (69.1%) 4 (30.8%) 0.023 3 (42.9%) 39 (63.9%)
   No 17 (30.9%) 9 (69.2%) 4 (57.1%) 22 (36.1%)
Multifocality 1.000
   Yes 9 (16.4%) 2 (15.4%) 1.000 1 (14.3%) 10 (16.4%)
   No 46 (83.6%) 11 (84.6%) 6 (85.7%) 51 (83.6%)
LNMN
   Mean ± SD 6.7±6.7 10.2±7.0 0.090 13.0±5.8 6.7±6.7 0.020
   ≤5 27 (49.1%) 3 (23.1%) 0.089 0 (0.0%) 30 (49.2%) 0.015
   >5 28 (50.1%) 10 (76.9%) 7 (100.0%) 31 (50.8%)
CLNM 1.000
   Yes 42 (76.4%) 11 (84.6%) 0.717 6 (85.7%) 47 (77.0%)
   No 13 (23.6%) 2 (15.4%) 1 (14.3%) 14 (23.0%)
LLNM 0.225
   Yes 28 (50.9%) 11 (84.6%) 0.027 6 (85.7%) 33 (54.1%)
   No 27 (49.1%) 2 (15.4%) 1 (14.3%) 28 (45.9%)
Stage 1.000
   I/II 53 (96.4%) 13 (100.0%) 1.000 7 (100.0%) 59 (96.7%)
   III/IV 2 (3.6%) 0 (0.0%) 0 (0.0%) 2 (3.3%)
Risk-group stratification 0.582
   Low 7 (12.7%) 3 (23.1%) 0.389 0 (0.0%) 10 (16.4%)
   Moderate/high 48 (87.3%) 10 (76.9%) 7 (100.0%) 51 (83.6%)

cN0, clinical lymph node-negative; HT, Hashimoto’s thyroiditis; ETE, extrathyroidal extension; LNMN, the Metastatic number of lymph nodes; CLNM, central lymph node metastasis; LLNM, lateral lymph node metastasis.