Table 4.
Binary logistic regression analysis for con-CLNM in uni-PTC.
| Variables | β | OR | 95% CI | p |
|---|---|---|---|---|
| Male sex | 1.029 | 2.797 | 1.182–6.617 | 0.019 |
| With HT | −0.844 | 0.430 | 0.211–0.876 | 0.020 |
| Tumor size ≥8.55 mm | 0.826 | 2.284 | 0.689–7.570 | 0.177 |
| Hypoechoic on neck US | 0.512 | 1.668 | 0.543–5.125 | 0.372 |
| Microcalcifications on neck US | 0.060 | 1.062 | 0.242–4.656 | 0.936 |
| With capsular invasion | 0.931 | 2.538 | 1.223–5.267 | 0.012 |
| Present ETE | 1.053 | 2.866 | 0.758–10.836 | 0.121 |
| Number of ipsi-CLNM ≥1.5 | 0.550 | 1.732 | 0.580–5.177 | 0.325 |
| Ratio of ipsi-CLNM ≥0.16 | 3.280 | 26.588 | 7.596–93.069 | <0.001 |
| Present ipsi-LLNM | 0.789 | 2.202 | 1.064–4.557 | 0.033 |
| Constant | −3.875 | 0.021 | — | <0.001 |
Note: Variables with statistical significance are shown in bold. Abbreviations: con-CLNM, contralateral central lymph node metastases; ETE, extrathyroid extension; HT, Hashimoto's thyroiditis; ipsi-CLNM, ipsilateral central lymph node metastasis; ipsi-LLNM, ipsilateral lateral lymph node metastasis; OR, odds ratio; uni-PTC, unilateral papillary thyroid carcinoma; 95% CI, 95% confidence interval; β, regression coefficient.