Table 3. (A) Main characteristics of the studies of the MTHFR haplotype included in the meta-analysis; (B) Main results for the MTHFR haplotype in the meta-analysis.

A
Name	Year	Country	Ethnicity	Case	Con	CA1	CC1	TA1	TC1	CA0	CC0	TA0	TC0
Dhillon VS	2007	India	Asian	179	200	182	57	78	41	164	76	126	34
Safarinejad MR	2011	Iran	Asian	164	328	165	31	55	77	336	100	103	117
Eloualid A	2012	Morocco	African	257	690	305	89	92	28	801	319	252	8
Herodez SS	2013	Slovenia	European	100	111	69	39	53	37	95	49	51	27
Mfady DS	2013	Jordan	Asian	150	150	106	90	96	8	112	103	81	4
B
MTHFR haplotype		CC vs CA		TA vs CA		TC vs CA		CC vs TA		CC vs TC		TA vs TC
Variables	Na	OR(95%CI)	Pb	OR(95%CI)	Pb	OR(95%CI)	Pb	OR(95%CI)	Pb	OR(95%CI)	Pb	OR(95%CI)	Pb
Total	5	0.77(0.65-0.91)	0.420	0.99(0.73-1.34)	0.008	2.09(1.11-3.93)	0.000	0.80(0.66-0.97)	0.281	0.41(0.31-0.55)	0.001	0.54(0.42-0.71)	0.001
Asian	3	0.74(0.59-0.94)	0.380	0.91(0.55-1.50)	0.005	1.29(0.98-1.70)	0.572	0.82(0.63-1.05)	0.085	0.52(0.36-0.74)	0.738	0.67(0.48-0.93)	0.421

^aNumber of studies.

^bThe value of heterogeneity test.