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Published in: European Journal of Pediatrics 4/2021

01-04-2021 | Food Intolerance | Review

Association of food hypersensitivity in children with the risk of autism spectrum disorder: a meta-analysis

Authors: Hong Li, Haixia Liu, Xin Chen, Jian Zhang, Guanglei Tong, Yehuan Sun

Published in: European Journal of Pediatrics | Issue 4/2021

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Abstract

This meta-analysis was performed to clarify the association between food hypersensitivity in children and autism spectrum disorder (ASD) in detail. Relevant studies published in 8 databases before March 2020 were retrieved and screened according to established inclusion criteria. The odds ratio (OR) with the 95% confidence interval (CI) was pooled to estimate the effect. Subgroup analyses were performed in terms of publication year, study design, location, sample size, definition of food hypersensitivity, definition of ASD, and study quality score. Furthermore, we stratified studies by participant sex and age to perform a more detailed analysis. This meta-analysis included 12 published articles with 434,809 subjects. A significant association was observed between food hypersensitivity and the risk of ASD (OR = 2.792, 95% CI: 2.081–3.746). The risk of ASD among girls and subjects younger than 12 with food hypersensitivity may be greater than that among boys and those older than 12. The results of sensitivity analysis and publication bias analysis show that the association is relatively stable.
Conclusion: Our results showed a positive association between food hypersensitivity and autism spectrum disorder, and girls and subjects younger than 12 may be more sensitive to this association. The role of food hypersensitivity in the onset of ASD deserves more attention.
What is Known:
• Food hypersensitivity is a term used to describe food allergies and food intolerance.
• ASD is a group of neurodevelopmental disorders that are characterized by deficits in social interaction, repetitive or stereotypic behavior, and verbal communication disorder.
• The prevalence rates of ASD and food hypersensitivity in the developed world are increasing.
What is New:
• In this work, we reviewed and analyzed the available data and studies and found a positive association between food hypersensitivity and ASD.
• Girls and children younger than 12 may be more sensitive to have ASD than boys and children older than 12.
Appendix
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Metadata
Title
Association of food hypersensitivity in children with the risk of autism spectrum disorder: a meta-analysis
Authors
Hong Li
Haixia Liu
Xin Chen
Jian Zhang
Guanglei Tong
Yehuan Sun
Publication date
01-04-2021
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Pediatrics / Issue 4/2021
Print ISSN: 0340-6199
Electronic ISSN: 1432-1076
DOI
https://doi.org/10.1007/s00431-020-03826-x

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