Table 3.

Multivariate Cox regression analysis of overall survival in 585 patients with gastric cancer.

Multivariate analysis
Clinicopathology	Hazard ratio	95% confidence interval	P-value
Differentiation	1.12	0.815–1.538	0.484
Tumor location	1.132	0.856–1.498	0.384
Borrmann	1.02	0.746–1.349	0.903
Tumor size	1.176	0.887–1.559	0.26
Nerve invasion	1.203	0.850–1.701	0.297
Vessel invasion	1.145	0.828–1.582	0.413
T stage (1, 2/3, 4)	0.607	0.366–1.006	0.049
N stage (0, 1/2, 3)	0.453	0.296–0.694	<0.001
TNM stage(1 + 2/3)	0.411	0.306–0.533	<0.001
DDX18 expression	1.513	1.150–1.991	0.003