Table 1 General characteristics of 546 patients with PTMC
Item | Overall | CLNM(%) | P.Value | |
|---|---|---|---|---|
negative (n = 383) | positive(n = 163) | |||
Age (years) |  |  |  | < 0.001*** |
  < 45 | 205 (37.5%) | 125 (32.6%) | 80 (49.1%) |  |
 45 ≤ age<55 | 194 (35.5%) | 140 (36.6%) | 54 (33.1%) |  |
  ≥ 55 | 147 (26.9%) | 118 (30.8%) | 29 (17.8%) |  |
Sex: | Â | Â | Â | 0.522 |
 Female | 420 (76.9%) | 298 (77.8%) | 122 (74.8%) |  |
 Male | 126 (23.1%) | 85 (22.2%) | 41 (25.2%) |  |
TSH | 2.10 [1.28;3.12] | 2.15 [1.31;3.12] | 2.07 [1.23;3.11] | 0.538 |
Tumor_size |  |  |  | < 0.001*** |
  < 0.65 | 324 (59.3%) | 260 (67.9%) | 64 (39.3%) |  |
  ≥ 0.65 | 222 (40.7%) | 123 (32.1%) | 99 (60.7%) |  |
Aspect_ratio | Â | Â | Â | 0.380 |
  < 1 | 264 (48.4%) | 180 (47.0%) | 84 (51.5%) |  |
  ≥ 1 | 282 (51.6%) | 203 (53.0%) | 79 (48.5%) |  |
Capsular invasion |  |  |  | < 0.001*** |
 No | 487 (89.2%) | 354 (92.4%) | 133 (81.6%) |  |
 Yes | 59 (10.8%) | 29 (7.57%) | 30 (18.4%) |  |
Calcification | Â | Â | Â | 0.006** |
 No | 200 (36.6%) | 155 (40.5%) | 45 (27.6%) |  |
 Yes | 346 (63.4%) | 228 (59.5%) | 118 (72.4%) |  |
Multifocality |  |  |  | < 0.001*** |
 Multiple | 192 (35.2%) | 106 (27.7%) | 86 (52.8%) |  |
 Solitary | 354 (64.8%) | 277 (72.3%) | 77 (47.2%) |  |
Hashimotos thyroiditis | Â | Â | Â | 0.020* |
 No | 445 (81.5%) | 302 (78.9%) | 143 (87.7%) |  |
 Yes | 101 (18.5%) | 81 (21.1%) | 20 (12.3%) |  |
Nodular goiter | Â | Â | Â | 0.757 |
 No | 322 (59.0%) | 228 (59.5%) | 94 (57.7%) |  |
 Yes | 224 (41.0%) | 155 (40.5%) | 69 (42.3%) |  |