Global prevalence of functional constipation according to the Rome criteria: a systematic review and meta-analysis

Background Functional constipation is a common functional bowel disorder in the community, which has a varying prevalence across cross-sectional surveys. We did a contemporaneous systematic review and meta-analysis of studies using comparable methodology and all iterations of the Rome criteria to estimate the global prevalence of functional constipation. Methods In this systematic review and meta-analysis, we searched MEDLINE, Embase, and Embase...