The Relationship between Circulating ANGPTL8/Betatrophin Concentrations and Adult Obesity: A Meta-Analysis

Table 1

Characteristics of studies included in the meta-analysis.

Study	Country	Sample	Case group				Control group
			Glycemic status		Betatrophin (ng/mL)	Mean BMI (kg/m^2)		Betatrophin (ng/mL)	Mean BMI (kg/m^2)
Gómez-Ambrosi et al. (2014 A) [14]^a	Spain	Serum	NG	75			33
Gómez-Ambrosi et al. (2014 B) [14]^a	Spain	Serum	IGT	30			33
Gómez-Ambrosi et al. (2014 C) [14]^a	Spain	Serum	T2DM	15			33
Fenzl et al. (2014)	Austria	Plasma	NG	19			20
Fu et al. (2014)	USA	Serum	NG	29		—	24		—
Guo et al. (2015 A) [8]^b	China	Serum	NG	30			17
Guo et al. (2015 B) [8]^b	China	Serum	T2DM	19			17
Abu-Farha et al. (2016)	Kuwait	Plasma	NG	62			82
Crujeiras AB et al. (2016)	Spain	Plasma	Unknown	95			48

BMI: body mass index; NG: norm glycemic; IGT: impaired glucose tolerance. Data are presented as . ^aFrom the same study. ^bFrom the same study.