Table IV.

Association between SNPs in antioxidant gene-gene interactions and male infertility risk.

Groups	Gene-Gene	Genotypes		n	OR (95% CI)	P-value
All subjects, n=558	rs3814309/rs1800566	CC	CC	87	Ref	0.058
		CC	CT/TT	232	0.55 (0.34-0.92)	0.022
		CT/TT	CT/TT	178	0.80 (0.48-1.33)	0.085
		CT/TT	CC	61	0.52 (0.26-1.00)	0.052
Azoospermia, n=456	rs1571858/rs1800566	AA	CC	65	Ref	0.116
		AA	CT/TT	190	0.61 (0.34-1.01)	0.1
		AG/GG	CT/TT	161	0.84 (0.46-1.52)	0.554
		AG/GG	CC	50	0.42 (0.18-0.97)	0.043

OR, odds ratio; CI, confidence interval; Ref, reference genotype.