Table 3.

Multivariate analysis of prognostic factors.

Clinical parameters	P value	HR	95% CI
Age	0.093	2.107	0.883–5.028
Gender	0.074	0.377	0.129–1.099
TNM stage	0.612	1.232	0.550–2.758
Lymph node metastasis	0.743	0.849	0.320–2.258
ZFX expression	0.045	4.997	1.033–24.180