Table 2. Multivariate analysis of the risk factors for RPELN metastasis.

	OR	95% CI	p-value
Tumor size	1.693	1.312–2.186	<0.0001
Location	1.949	1.291–2.941	0.001
No. of meta-CLN
1–2	0.158	0.092–0.271	<0.0001
≥3	0.402	0.265–0.611	<0.0001
Meta-LLN	1.470	1.174–1.841	0.001

RPELN, right paraesophageal lymph node; OR, odds ratio; CI, confidence interval; meta-CLN, metastatic central compartment lymph nodes; meta-LLN, metastatic lateral compartment lymph nodes.