Table 3.

The allele frequencies of CYP2E1 in gastric cancer group and control group

	C1		C2
	n	Frequencies	n	Frequencies
Gastric cancer	143	0.7857	39	0.21 43
Controls	164	0.8723	24	0.1276

χ² = 4.91 P < 0.05 vs controls; OR = 1.86 95%CI 1.07～3.25.