Table 1

Characteristics of the studies included in this meta-analysis of VEGFA rs3025039 polymorphism

Study	Population	Area	Race	Sample size		Genotype in cases			Genotype in controls			Minor allele frequency in controls (%)	HWE p value in controls	Type of study	Genotyping method	Quality score
Study	Population	Area	Race	Cases	Controls	CC	CT	TT	CC	CT	TT	Minor allele frequency in controls (%)	HWE p value in controls	Type of study	Genotyping method	Quality score
Lee et al10	Chinese	Southern	Asian	45	160	37	8	0	91	62	7	23.8	>0.05	Hospital-based	TaqMan	6
Liu et al11	Chinese	Northwestern	Asian	311	1205	220	86	5	620	355	50	22.2	0.929	Hospital-based	MassARRAY	6
Liu et al12	Chinese	Southern	Asian	490*	1456*	332	142	16	1002	411	43	17	0.874	Hospital-based	MassARRAY	9