3.

Multivariate analysis of surgical patients with detailed postoperative pathological reports (N=65)

Characteristics	HR	95% CI	P
HR, hazard ratio; 95% CI, 95% confidence interval; MLN, metastatic lymph node.
Gender			0.285
Male	Ref.
Female	0.451	0.105−1.939
Age (year)			0.069
≤60	Ref.
>60	2.004	0.948−4.238
Resection margin			0.036
Negative	Ref.
Positive	2.927	1.071−8.002
MLN ratio			0.009
≤10%	Ref.
>10%	3.124	1.321−7.390