Global Incidence and Prevalence of Eosinophilic Esophagitis, 1976–2022: A Systematic Review and Meta-analysis

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Hahn, Jong-Woo | Lee, Kwanjoo | Shin, Jae-Il | Cho, Seong-Ho | Turner, Stephen William | Shin, Jung U. | Yeniova, Abdullah Özgür | Koyanagi, Ai | Jacob, Louis | Smith, Lee | Fond, Guillaume B. | Boyer, Laurent | Lee, Seung Won | Kwon, Rosie | Kim, Soeun | Shin, Youn-Ho | Rhee, Sang Youl | Moon, Jin Soo | Ko, Jae-Sung | Yon, Dong Keon | Papadopoulos, N. G.

Edité par CCSD ; WB Saunders -

International audience. Background and Aims: Owing to 2018 expanded diagnostic criteria for eosinophilic esophagitis (EoE) and thus a possible increase in diagnosis, previous studies on the global incidence and prevalence of EoE may need to be updated. We aimed to describe global, regional, and national trends in the incidence and prevalence of EoE from 1976 to 2022 and analyze their associations with geographic, demographic, and social factors through a systematic review. Methods: We searched the PubMed/MEDLINE, Embase, CINAHL, Google Scholar, and Cochrane databases from their inception dates to December 20, 2022, for studies that reported the incidence or prevalence of EoE in the general population. We calculated the global incidence and prevalence of EoE using pooled estimates with 95% confidence intervals (CIs) and performed subgroup analysis based on age, sex, race, geographical area, World Bank income group, and diagnostic criteria of EoE. Results: Forty studies met the eligibility criteria, including over 288 million participants and 147,668 patients with EoE from 15 countries across the five continents. The global pooled incidence and prevalence of EoE were 5.31 cases per 100,000 inhabitant-years (95% CI, 3.98–6.63; number of studies, 27; sample population, 42,191,506) and 40.04 cases per 100,000 inhabitant-years (95% CI, 31.10–48.98; number of studies, 20; sample population, 30,467,177), respectively. The pooled incidence of EoE was higher in high-income countries (vs low- or middle-income countries), males, and North America (vs Europe and Asia). The global prevalence of EoE followed a similar pattern. The pooled prevalence of EoE gradually increased from 1976 to 2022 (1976–2001; 8.18; 95% CI, 3.67–12.69 vs 2017–2022; 74.42; 95% CI, 39.66–109.19 cases per 100,000 inhabitant-years). Conclusions: The incidence and prevalence of EoE have increased substantially and vary widely across the world. Further research is needed to evaluate the incidence and prevalence of EoE in Asia, South America, and Africa.

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