Table 2.

Correlations (r) between lymph-node ratio (LNR), resection length (RL), LNR/RL, and long-term outcomes evaluated by using Spearman’s Rho coefficient

Outcome	Total patients (n = 670)			Patients with positive nodes (n = 312)
	LNR	LNR/RL	RL	LNR	LNR/RL	RL
Death	0.425*	0.413*	0.018	0.294*	0.257*	0.023
Recurrence	0.035	0.036	0.048	0.073	0.073*	0.068
Distal metastasis	0.246*	0.236*	0.025	0.141*	0.108*	0.044

^* P < 0.05.