Meta-analysis of the efficacy of probiotics in Helicobacter pylori eradication therapy

Figure 1 Study selection. RCT: Randomized controlled trial.

Figure 2 Funnel plot of the eradication rates in the included studies.

Figure 3 Meta-analysis of studies that evaluated the effects of probiotic supplementation on eradication rates by intention-to-treat.

Figure 4 Meta-analysis of studies that evaluated the effects of probiotic supplementation on the incidence of adverse effects. A: Total adverse effects; B: Individual adverse effects including metallic taste, diarrhea, and epigastric pain; C: Individual adverse effects including taste disorders, vomiting and nausea.