Table 3. Multivariate analysis of the right RLN LN metastasis alone.
| Risk factors | B | P value | OR value (95% CI) |
|---|---|---|---|
| SLN (positive vs. negative) | 1.406 | 0.018 | 4.079 (1.278–13.016) |
| PLN (positive vs. negative) | 0.940 | 0.072 | 2.560 (0.919–7.133) |
| Tumor location | 0.036 | ||
| Upper vs. lower | 1.709 | 0.010 | 5.522 (1.493–20.419) |
| Middle vs. lower | 0.497 | 0.344 | 1.644 (0.587–4.602) |
| Short axis diameter of left RLN LN | 0.406 | 0.437 | 1.501 (0.538–4.188) |
| Short axis diameter of right RLN LN | 3.017 | 0.000 | 20.436 (4.589–91.009) |
| Maximum diameter of the tumor | 0.088 | 0.529 | 1.092 (0.830–1.437) |
| Constant term | −5.378 | 0.000 | 0.005 |
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.