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Table 4 Demographics and clinical characteristics of patients undergoing lateral lymph node dissection

From: Risk factor analysis for predicting cervical lymph node metastasis in papillary thyroid carcinoma: a study of 966 patients

Clinicopathological properties   Lateral lymph node metastasis
  Total No   Yes  
Subjects, n   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