Table 2. Univariate and multivariate analyses for overall survival of patients.

	n=134	Univariate analysis Hazard ratio (95% CI)	P value	Multivariate analysis Hazard ratio (95% CI)	P value
Age (years) (≥67/≤66)	(67/67)	1.361(0.839-2.208)	0.815
Gender (Female/male)	(53/81)	0.854(0.518-1.408)	0.869
Histological grade (Poorly/others)	(19/115)	1.988(1.035-3.817)	0.039	1.923(0.972-3.802)	0.060
pT3,4/ pT1,2	(127/7)	6.536(0.907-47.619)	0.063
pN1/ pN0	(88/46)	2.519(1.416-4.484)	0.002	8.929(1.706-47.619)	0.010
Stage IIB≤/≤IIA	(90/44)	2.058(1.172-3.623)	0.012	3.906(0.781-19.540)	0.097
Metadherin expression (high/low)	(59/75)	1.941(1.196-3.150)	0.007	2.023(1.241-3.298)	0.005

(Cox’s proportional hazard model).

p: pathological findings, T: primary tumor, N: regional lymph nodes, NS: not significant. CI: confidence interval.