Relationship between circulating irisin levels and overweight/obesity: A meta-analysis

Figure 1 Flow chart of article selection for meta-analysis.

Figure 2 Forest plot of meta-analysis of the association between irisin and obesity.

Figure 3 Forest plot of irisin in obese patients in different racial groups. A: Forest plot of irisin in obese patients in Asia; B: Forest plot of irisin in obese patients in Europe; C: Forest plot of irisin in obese patients in Africa; D: Forest plot of irisin in obese patients in America.

Figure 4 Forest plot of irisin in obese patients in children and adults. A: Forest plot of irisin in obese children vs nonobese children; B: Forest plot of irisin in obese adults vs nonobese adults.

Figure 5 Analysis of publication bias. A: Begg’s funnel plot had the expected funnel shape (Begg’s test P = 0.544); B: Egger’s publication bias plot (Egger’s test P = 0.65).