Table 4. Multivariate analysis of overall survival used Cox-regression.

Variable	Multivariate analysis		P-value
	HR	95%CI
Differentiation
poor	1
moderate	0.962	0.396-2.339	0.932
well	0.404	0.139-1.176	0.097
Lymph node metastasis
without	1
With	1.117	0.365-3.417	0.846
T states
T3/T4	1
T2	0.774	0.182-3.289	0.728
T1	0.508	0.142-1.822	0.299
TNM Stage
I/II	1
III/IV	3.428	1.519-7.737	0.003
YBX1
Low	1
High	1.211	0.496-2.952	0.674
CDC25a
low	1
high	2.384	1.008-7.642	0.048