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

Final variables	β	SE	HR	95% CI	P
Age	0.093	0.126	1.10	0.86–1.40	0.460
Sex (female vs. male)	−0.023	0.147	0.98	0.73–1.30	0.870
Drink (no vs. yes)	0.606	0.238	1.83	1.15–2.92	0.010
Lymph node metastasis (N1/N2/N3 vs. N0)	0.659	0.164	1.93	1.40–2.67	<0.001
Tumor site(non-cardia vs. cardia)	−0.374	0.146	0.69	0.52–0.92	0.010
Chemotherapy (no vs. yes)	−0.269	0.134	0.76	0.59–0.99	0.045
rs3803662 (CT/TT vs. CC)	−0.469	0.187	0.63	0.43–0.90	0.012