Higher dose of simethicone decreases colonic bubbles and increases prep tolerance and quality of bowel prep: Meta-analysis of randomized controlled trials

Figure 1 Flowchart of the literature search and study selection.

Figure 2 Risk of bias summary for randomized clinical trials.

Figure 3 Forrest plot of the pooled risk ratio of the effect of simethicone on quality of bowel preparation and I² statistic for heterogeneity.

Figure 4 Forrest plot of the pooled risk ratio of the effect of simethicone on the quality of colonic bubbles and I² statistic for heterogeneity.

Figure 5 Forrest plot of the pooled risk ratio of the effect of simethicone on adenoma detection rate and I² statistic for heterogeneity.

Figure 6 Funnel plot.