Table 2. Multivariate logistic regression analysis of the RLN LNs metastasis (n=265).
| Risk factors | B | P value | OR value (95% CI) |
|---|---|---|---|
| Tumor location | 0.019 | ||
| Upper vs. lower | 1.391 | 0.005 | 4.017 (1.526–10.573) |
| Middle vs. lower | 0.388 | 0.278 | 1.474 (0.731–2.971) |
| Maximum diameter of the tumor | 0.214 | 0.047 | 1.238 (1.003–1.530) |
| SLN (positive vs. negative) | 1.441 | 0.001 | 4.225 (1.756–10.165) |
| PLN (positive vs. negative) | 0.834 | 0.020 | 2.302 (1.140–4.647) |
| Short axis diameter of left RLN LN | 0.893 | 0.012 | 2.443 (1.218–4.899) |
| Short axis diameter of right RLN LN | 1.224 | 0.000 | 3.401 (1.771–6.531) |
| Constant term | −3.630 | 0.000 | 0.027 |
RLN LN, recurrent laryngeal nerve lymph node; SLN, subcarinal lymph node status; PLN, paraoesophageal lymph node status; CI, confidence interval; OR, odds ratio; B, regression coefficient.