Table 2.

Univariate and multivariate analyses of prognostic factors in gastric cancer

Independent factors	Univariate P	Multivariate P	Hazard ratio	95% confidence interval
Tumor depth (pT)
pT1 and pT2/pT3 and pT4	0.006	0.01	3.8	1.0 ~ 7.2
Lymph node metastasis (pN)
Negative/positive	0.001	0.01	4.1	1.2 ~ 8.9
Venous invasion
Negative/positive	0.03	NS	1.8	0.5 ~ 3.1
pStage
I and II and III and IV	0.03	NS	1.2	0.09-2.3
miR-22 expression
Negative/positive	0.03	0.04	2.2	0.6 ~ 5.2

Note: ‘NS’ refers to ‘no significant’.