Table 2.

Meta-analysis results for the two studied polymorphisms and RPL risk

Gene polymorphism	Inherited model	Heterogeneity-test		Analysis modela	Pooled OR (95% CI)	P
		P for Q test	I 2 (%)
-238G/A	Codominant (A vs. G)	0.001	80.7	REM	0.996 [0.932,1.065]	0.912
	Homozygous (AA vs. GG)	0.017	70.7	REM	0.830 [0.238, 2.887]	0.769
	Heterozygous (AA vs. GA)	0.175	39.5	FEM	0.888 [0.54, 1.46]	0.640
	Dominant(AA+GA vs. GG)	0.007	75.2	REM	0.908 [ 0.566, 1.456]	0.690
	Recessive(AA vs. GA+GG)	0.036	64.9	REM	1.212 [ 0.394, 3.729]	0.737
-308G/A	Codominant (A vs. G)	0.017	63.6	REM	0.737 [0.539, 1.01]	0.057
	Homozygous (AA vs. GG)	0.713	0	FEM	0.445 [0.268, 0.741]	0.002
	Heterozygous (AA vs. GA)	0.658	0	FEM	0.519 [0.303, 0.89]	0.017
	Dominant(AA+GA vs. GG)	0.018	54.8	REM	0.836 [0.622, 1.124]	0.236
	Recessive(AA vs. GA+GG)	0.774	0	FEM	2.141 [1.291, 3.55]	0.003