Roux‐en‐Y gastric bypass, sleeve gastrectomy, or one‐anastomosis gastric bypass? A systematic review and meta‐analysis of randomized‐controlled trials

FIGURE 1. Forest plot comparing TWL (percentage) between RYGB and SG at (A) 1 month after surgery; (B) 3 months after surgery; (C) 6 months after surgery; (D) 1 year after surgery; and (E) 5 years after surgery. The vertical line represents the null effect. Each horizontal line represents the 95% CI of one study. The size of the green box is related to the weight of each study. The diamond symbolizes the overall effect of all the studies. RYGB, Roux‐en‐Y gastric bypass; SG, sleeve gastrectomy; TWL, total weight loss [Colour figure can be viewed at wileyonlinelibrary.com]

FIGURE 2. Forest plot comparing EWL (percentage) between RYGB and SG at (A) 1 month after surgery; (B) 3 months after surgery; (C) 6 months after surgery; (D) 1 year after surgery; (E) 2 years after surgery; (F) 3 years after surgery; and (G) 5 years after surgery. The vertical line represents the null effect. Each horizontal line represents the 95% CI of one study. The size of the green box is related to the weight of each study. The diamond symbolizes the overall effect of all the studies. EWL, excess weight loss; RYGB, Roux‐en‐Y gastric bypass; SG, sleeve gastrectomy [Colour figure can be viewed at wileyonlinelibrary.com]

FIGURE 3. Forest plot comparing EWL (percentage) between RYGB and OAGB at (A) 6 months after surgery; and (B) 1 year after surgery. The vertical line represents the null effect. Each horizontal line represents the 95% CI of one study. The size of the green box is related to the weight of each study. The diamond symbolizes the overall effect of all the studies. EWL, excess weight loss; OAGB, one‐anastomosis gastric bypass; RYGB, Roux‐en‐Y gastric bypass [Colour figure can be viewed at wileyonlinelibrary.com]

FIGURE 4. Forest plot of the network meta‐analysis for EWL (percentage) at 12 months, MD, mean difference; OAGB, one‐anastomosis gastric bypass; RYGB, Roux‐en‐Y gastric bypass; SG, sleeve gastrectomy

FIGURE 5. Forest plot comparing excess body mass index loss (percentage) at (A) 1 month after surgery; (B) 3 months after surgery; (C) 1 year after surgery; (D) 2 years after surgery; and (E) 5 years after surgery. The vertical line represents the null effect. Each horizontal line represents the 95% CI of one study. The size of the green box is related to the weight of each study. The diamond symbolizes the overall effect of all the studies. RYGB, Roux‐en‐Y gastric bypass; SG, sleeve gastrectomy [Colour figure can be viewed at wileyonlinelibrary.com]

FIGURE 6. Forest plot comparing remission of type 2 diabetes between RYGB and SG at (A) 1 month after surgery; (B) 3 months after surgery; (C) 6 months after surgery; (D) 1 year after surgery; (E) 2 years after surgery; (F) 3 years after surgery; and (G) 5 years after surgery. The vertical line represents the null effect. Each horizontal line represents the 95% CI of one study. The size of the green box is related to the weight of each study. The diamond symbolizes the overall effect of all the studies. RYGB, Roux‐en‐Y gastric bypass; SG, sleeve gastrectomy [Colour figure can be viewed at wileyonlinelibrary.com]