Table 2.

ORs and 95 % CI for PE and the MTHFR C677T polymorphism under different genetic models

genetice model	population	pooled OR [95 % CI] p	Heterogeneity p-value	Publication Bias
				p-value Begg	p-value Egger
Additive (T vs. C)	Caucasian	1.07[0.993–1.152]0.075	0.752	0.547	0.502
	Asian	1.477[1.175–1.857]0.001	P < 0.001	0.826	0.74
	Latino	1.026[0.797–1.32]0.844	0.038	0.188	0.53
	Overall	1.157[1.057–1.266]0.002	P < 0.001	0.569	0.885
Dominant (T-carriers vs.CC)	Caucasian	1.099[0.995-1.213]0.063	0.41P < 0.001	0.378	0.921
	Asian	1.465[1.086-1.977]0.013	p<0.001	0.956	0.414
	Latino	1.081[0.876-1.333]0.469	0.411	0.881	0.947
	Overall	1.165[1.049-1.293]0.004	p=0.004 P < 0.001	0.441	0.819
Recessive (TT vs. C-carriers)	Caucasian	1.282[1.048-1.567]0.015	0.002	0.865	0.553
	Asian	2.078[1.368-3.157]0.001	P = 0.001	0.547	0.394
	Latino	1.033[0.755-1.414]0.837	0.093	0.881	0.888
	Overall	1.371[1.153-1.63]p<0.001	P < 0.001	1.000	0.383