Table 2.

Meta-analysis of the GSTP1 rs1695 A/G polymorphism

Statistical analysis	Index	Allele	Carrier	Homozygote	Heterozygote	Dominant	Recessive
Association	OR	0.99	0.99	1.02	0.96	0.97	1.03
	95% CIs	0.95~1.03	0.94~1.03	0.93~1.12	0.91~1.02	0.92~1.03	0.94~1.12
	P a	0.601	0.587	0.689	0.167	0.289	0.548
Sample size	case	9763	9763	9763	9763	9763	9763
	control	15,028	15,028	15,028	15,028	15,028	15,028
	study	52	52	52	52	52	52
Heterogeneity	I2	15.5%	0.0%	9.7%	7.7%	11.8%	1.2%
	P h	0.174	0.999	0.278	0.318	0.239	0.450
	Model	Fixed	Fixed	Fixed	Fixed	Fixed	Fixed
Egger’s test	t	1.14	1.38	0.13	2.36	2.16	−0.31
	P E	0.259	0.175	0.899	0.022	0.036	0.760
Begg’s test	z	0.53	0.84	0.77	1.96	1.82	1.29
	P B	0.597	0.398	0.444	0.049	0.068	0.198

OR odds ratio, CIs confidence intervals, P_a, P value of association test, P_h, P value of heterogeneity test, P_E, P value of Egger’s test, P_B, P value of Begg’s test