Table 3. Univariate analysis of clinicopathological factors for the five-year overall survival.

Variable	5-OS (%)	Log-rank test
		P-value
Sex		0.353
Male	75.5
Female	62.7
Age		0.817
≤69y	65.6
>69y	70.2
T states		0.098
T1	70.4
T2	71.0
T3	33.3
T4	28.6
N states		<0.001
N0	75.9
N1	48.4
N2	39.9
TNM stage		<0.001
I/ II	73.6
III/ IV	32.7
YB-1		0.001
Low	82
High	53
MACC1		0.028
Low	74.3
High	61.9

5-OS: five-year overall survival.