Table 4 Demographics and clinical characteristics of patients undergoing lateral lymph node dissection
Clinicopathological properties | Â | Lateral lymph node metastasis | ||||
|---|---|---|---|---|---|---|
| Â | Total | No | Â | Yes | Â | |
Subjects, n | Â | 420 | 209 | 49.8% | 211 | 50.2% |
Gender | Female | 329 | 172 | 52.3% | 157 | 47.7% |
Male | 91 | 37 | 40.7% | 54 | 59.3% | |
Age (years) | ≤35 | 121 | 48 | 39.7% | 73 | 60.3% |
35–45 | 104 | 52 | 50.0% | 52 | 50.0% | |
45–55 | 108 | 56 | 51.9% | 52 | 48.1% | |
> 55 | 87 | 53 | 60.9% | 34 | 39.1% | |
Tumor size(cm) | ≤0.5 | 35 | 24 | 68.6% | 11 | 31.4% |
0.5–1.0 | 137 | 82 | 59.9% | 55 | 40.1% | |
1.0–2.0 | 147 | 69 | 46.9% | 78 | 53.1% | |
> 2.0 | 101 | 34 | 33.7% | 67 | 66.3% | |
Ultrasound feature | ||||||
 Microcalcification | No | 277 | 144 | 52.0% | 133 | 48.0% |
Yes | 143 | 65 | 45.5% | 78 | 54.5% | |
 Hypoechoic solid nodules | No | 73 | 33 | 45.2% | 40 | 54.8% |
Yes | 347 | 176 | 50.7% | 171 | 49.3% | |
 Irregular shape | No | 259 | 131 | 50.6% | 128 | 49.4% |
Yes | 161 | 78 | 48.4% | 83 | 51.6% | |
 Infiltrative margins | No | 95 | 48 | 50.5% | 47 | 49.5% |
Yes | 325 | 161 | 49.5% | 164 | 50.5% | |
 Intra-nodular vascularity | No | 114 | 57 | 50.0% | 57 | 50.0% |
Yes | 306 | 152 | 49.7% | 154 | 50.3% | |
Multifocality | No | 272 | 142 | 52.2% | 130 | 47.8% |
Yes | 148 | 67 | 45.3% | 81 | 54.7% | |
Bilateral | No | 315 | 163 | 51.7% | 152 | 48.3% |
Yes | 105 | 46 | 43.8% | 59 | 56.2% | |
Extrathyroidal extension | No | 286 | 153 | 53.5% | 133 | 46.5% |
Yes | 134 | 56 | 41.8% | 78 | 58.2% | |
Distant metastasis | No | 416 | 207 | 49.8% | 209 | 50.2% |
Yes | 4 | 2 | 50.0% | 2 | 50.0% | |
Hashimoto’s thyroiditis | No | 251 | 130 | 51.8% | 121 | 48.2% |
Yes | 169 | 79 | 46.7% | 90 | 53.3% | |
The number of CLNM | 0 | 186 | 130 | 69.9% | 56 | 30.1% |
1–3 > 3 | 165 69 | 68 11 | 41.2% 15.9% | 97 58 | 58.8% 84.1% | |
TSH value |  |  | 2.20 ± 1.66 | 2.16 ± 1.44 | ||