Table 2.

Univariate analysis of overall survival in 585 patients with gastric cancer.

Univariate analysis
Clinicopathology	Hazard ratio	95% confidence interval	P-value
Age	0.853	0.656–1.108	0.234
Gender	1.234	0.967–1.589	0.089
Differentiation	1.674	1.233–2.273	0.001
Tumor location	1.535	1.083–2.176	0.016
Borrmann	1.7	1.267–2.281	<0.001
Tumor size	1.578	1.197–2.081	0.001
Nerve invasion	1.933	1.447–2.734	<0.001
Vessel invasion	2.198	1.640–2.946	<0.001
T stage (1, 2/3, 4)	0.252	0.170–0.373	<0.001
N stage (0, 1/2, 3)	0.242	0.185–0.315	<0.001
TNM stage (1 + 2/3)	0.237	0.178–0.314	<0.001
DDX18 expression	2.605	2.208–3.345	<0.001