Table 4.

Independent factors associated with DFS and OS in multivariate analysis.

Variables	DFS			OS
	HR	95% CI	P value	HR	95% CI	P value
Age	1.305	0.516–3.301	0.573	0.548	0.199–1.511	0.245
Gender	0.511	0.196–1.332	0.169	0.559	0.200–1.560	0.267
Location	0.687	0.258–1.834	0.454	0.688	0.241–1.965	0.485
TNM stage	1.692	0.572–5.008	0.342	2.382	0.787–7.208	0.124
T stage	2.117	0.957–4.682	0.064	2.940	1.224–7.063	0.016*
N stage	0.654	0.153–2.799	0.568	8.891	0.959–82.455	0.054
Metastatic sites	3.228	1.306–7.977	0.011*	0.728	0.246–2.154	0.566
NLR	3.425	1.223–9.593	0.019*	3.384	1.066–10.741	0.039*
CTC	2.841	0.594–13.598	0.191	4.800	0.562–41.009	0.152

*P < 0.05; HR, Hazard ratio; CI, Confidence interval; DFS, Disease-free survival; OS, overall survival.