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Aliment Pharmacol Ther. 2019 May;49(9):1116-1125. doi: 10.1111/apt.15231. Epub 2019 Mar 18.

Systematic review with meta-analysis: the growing incidence and prevalence of eosinophilic oesophagitis in children and adults in population-based studies.

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School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Ireland.
Research Support Unit, Complejo Hospitalario La Mancha Centro, Alcázar de San Juan, Spain.
Centro de Investigación Biomédica en Red en Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain.
Department of Gastroenterology, Hospital General de Tomelloso, Tomelloso, Spain.



The frequency of eosinophilic oesophagitis (EoE) occurrence is escalating. Current diagnostic criteria recently proposed for the disease, determine that previous estimates of incidence and prevalence are outdated.


To gauge the current incidence and prevalence of EoE by performing a systematic review of population-based studies.


Three electronic databases were searched from their inception dates to September 2018. A total of 2386 documents were screened; 29 studies reported on the prevalence and incidence of EoE in the general population.


The pooled prevalence of EoE was 34.4 cases per 100 000 inhabitants (95% CI, 23.1-47.5), and was higher for adults (42.2; 95% CI, 31.1-55) than for children (34; 95% CI, 22.3-49.2). The pooled EoE incidence rates were 6.6/100 000 person-years (95% CI, 3-11.7) in children and 7.7/100 000 (95% CI, 1.8-17.8) in adults. No differences were found between North American and European studies using varied sources of data (insurance and administrative databases compared to hospital-bases case series). Subgroup analysis according to risk of bias did not change results significantly. A steady rise in EoE incidence and prevalence rates was observed over time, comparing studies conducted under subsequent definitions for EoE. No significant publication bias was found.


In a systematic review and meta-analysis, we found a sharp increase, higher than previous estimates, in the incidence and prevalence of EoE in population based studies. Results from studies carried out in developed countries show broad consistency and provide evidence of increasing pooled prevalence and incidence of EoE rates over time.


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