Table 4. Multivariate cox proportional hazard analysis of prognostic variables in gastric cancer patients.

	For Overall Survival			For Disease-Free Survival
Variable	HR	95% CI	Pa	HR	95% CI	Pa
Age > 55 b (vs. ≤ 55 y)	1.564	1.823 to 2.971	0.172	1.343	0.695 to 2.597	0.381
Gender Female (vs. Male)	1.627	0.888 to 2.981	0.115	1.724	0.926 to 3.210	0.086
Clinical stage IV + III (vs. II+ I)	2.950	1.242 to 7.005	0.014	1.319	0.580 to 3.003	0.509
P53 Positive (vs. Negative)	0.890	0.472 to 1.678	0.718	1.189	0.624 to 2.266	0.599
Ki67 Positive (vs. Negative)	1.427	0.670 to 3.040	0.356	1.054	0.520 to 2.133	0.885
Bora High expression(vs. Low expression)	4.360	2.019 to 9.414	< 0.001	3.552	1.698 to 7.431	0.001

^alog-rank test, ^bmedian age; HR, hazard ratio; CI, confidence interval.