Table 3. Multivariate Cox regression analysis of predictors of recurrence.

Variables	DFS
	HR	95% CI	p
LVSI substantial	5.88	2.29–15.11	0.001
G2	2.32	0.76–7.04	0.138
LND	2.16	0.92–5.07	0.075

CI, confidence interval; DFS, disease-free survival; HR, hazard ratio; LND, lymph node dissection; LVSI, lymph-vascular space invasion.