Table 3.

Two- and five-year survival rates of gastric cancer patients in two groups

Groups	Survival rate (%)	95% CI	u-value	P
2-yr
Chemotherapy	52.6	41.7-63.6	2.721	0.007
CIK treatment	73.5	63.3-83.7
5-yr
Chemotherapy	23.9	13.5-34.3	1.913	0.0526
CIK treatment	40.4	27.1-53.7

CIK: Cytokine-induced killer; 95% CI: 95% confidence interval.