Table 4. Stepwise Cox regression analysis on intestinal-type gastric cancer patients' survival.

Entered variables	β	SE	HR	95% CI	P value
Age	0.01	0.01	1.01	0.99–1.03	0.191
Sex	0.29	0.18	1.34	0.93–1.94	0.120
Lymph node metastasis (N1/N2/N3 vs. N0)	0.52	0.16	1.68	1.22–2.03	0.001
rs6976789 (TT vs. CC/CT)	0.96	0.36	2.61	1.28–5.33	0.009

β, regression coefficient; SE, standard error; HR, hazard ratio; CI, confidence interval.