Table 1

Characteristics of studies included in meta-analysis of overall FAS-670A>G.

Study author	Year	Country	Ethnicity	Sex cases/controls	Total cases/control	Age case/control (mean)	Genotyping method	Quality score
Cappellesso et al. [24]	2002	France	Caucasian	M=NR	20/77	NR/NR	RFLP-PCR	6
Cappellesso et al. [24]	2002	France	Caucasian	F=NR	20/77	NR/NR	RFLP-PCR	6
Marín et al. [25]	2006	Spain	Caucasian	M=NR	53/227	49±12/NR	RFLP-PCR	7
Marín et al. [25]	2006	Spain	Caucasian	F=NR	53/227	49±12/NR	RFLP-PCR	7
Jahadi Hosseini et al. [26]	2009	Iran	Caucasian	M=NR	47/225	43.67±22.18/40.08±22.18	ASO-PCR	7
Jahadi Hosseini et al. [26]	2009	Iran	Caucasian	F=NR	47/225	43.67±22.18/40.08±22.18	ASO-PCR	7
Ertan et al. [16]	2010	Turkey	Caucasian	M=NR	16/37	12.3±0.6/12.3±0.6	RFLP-PCR	7
Ertan et al. [16]	2010	Turkey	Caucasian	F=NR	16/37	12.3±0.6/12.3±0.6	RFLP-PCR	7
Girnita et al. [27]	2011	Multicenter	Mixed	M=NR	124/405	NR/NR	PCR	6
Girnita et al. [27]	2011	Multicenter	Mixed	F=NR	124/405	NR/NR	PCR	6
Fadel et al. [28]	2016	Egypt	Arab	M=10/19	17/30	9.37±3.56/10.09±2.95	RFLP-PCR	8
Fadel et al. [28]	2016	Egypt	Arab	F=7/11	17/30	9.37±3.56/10.09±2.95	RFLP-PCR	8

Abbreviations: F, female; M, male; NR, not reported.