Table 4. Summary about meta-analysis results of SNPs in OGG1 gene and risk of breast cancer.

SNP	Genetic Models	Race	n	OR(95% CI)			Homogeneity		P for Publication Bias
				OR	CI	P value	Q	I2 (%)
rs1052133 CC/ CG/ GG	CC+CG vs. GG (Dominant)	Overall	20	0.767	0.611–0.962	0.021	128	85.21	0.478
		Caucasoid	11	0.646	0.376–1.107	0.112	111.303	91.016	0.735
		Mongoloid	8	0.877	0.770–0.998	0.047	11.056	36.687	0.425
	CC vs .CG+GG	Overall	22	1.215	0.819–1.802	0.334	133	84.168	0.665
	(Recessive)	Caucasoid	13	1.224	0.962–1.556	0.100	112.479	89.331	0.139
		Mongoloid	8	0.955	0.749–1.217	0.709	11.056	36.687	0.391
	C vs. G	Overall	20	1.002	0.897–1.119	0.968	115	83.47	0.841
	(Allele)	Caucasoid	11	0.994	0.818–1.208	0.954	87.007	88.507	0.211
		Mongoloid	8	1.006	0.880–1.149	0.932	26.557	73.642	0.480
	CC vs.CG	Overall	20	0.818	0.677–0.987	0.036	59	67.958	0.488
	Co-Dominant	Caucasoid	11	0.734	0.492–1.093	0.128	51.521	80.591	0.577
		Mongoloid	8	0.855	0.749–0.976	0.020	7.037	0.521	0.583
	CG vs. GG	Overall	20	0.752	0.595–0.951	0.017	122	84.455	0.289
	Co-Dominant	Caucasoid	11	0.613	0.352–1.070	0.085	105.605	90.531	0.131
		Mongoloid	8	0.886	0.777–1.010	0.052	10.097	30.673	0.735