Objectives In the present systematic review and meta‐analysis study, we aimed to review studies that assessed the prevalence and risk of eating disorders (EDs) in patients with celiac disease (CD) and vice‐versa. Method We conducted a systematic search in PubMed, Embase, Scopus, and Web of Science for studies that assessed the prevalence and risk of AN in patients with CD and vice‐versa. Joanna Briggs Institute tools were used for critical appraisal. The STATA software was used for the meta‐analysis of the random‐effect model. Results In this study, 23 observational studies were included. The results of the meta‐analysis indicated that the pooled prevalence of EDs and bulimia nervosa in patients with CD was 8.88% [95% CI: 6.4, 11.7] and 7.26% [95% CI: 0.23, 21.57], respectively. Moreover, the risk of anorexia nervosa in patients with CD was significantly higher than in the healthy population (relative risk [RR]: 1.48 [95% CI: 1.32, 1.64]). The rates of CD in patients with AN and EDs were 0.96% [95% CI: 0.15, 2.31] and 0.90% [95% CI: 0.56, 1.31], respectively. Moreover, the overall risk of CD in patients with AN was significantly higher compared with healthy adults (RR: 2.35 [95% CI: 1.27–3.44]). Discussion The result of the present meta‐analysis showed the high prevalence of EDs in patients with CD. Moreover, there was a significant bidirectional association between CD and EDs.
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