The Effects of a Healthy Diet on Asthma and Wheezing in Children and Adolescents: A Systematic Review and Meta-Analysis.

"Disclosure The authors declare that they have no competing interests in this work."

"This study was supported by both National High Level Hospital Clinical Research Funding (NO.2022-NHLHCRF-YS-04) and the Project of Disciplines Construction of State Key Clinical Department [grant (2011)873]."

"The study protocol has been registered in the International Prospective Register of Systematic Reviews (PROSPERO) with the registration code CRD42023390191. The study protocol was also completed in accordance with the Preferred Reporting Items for Systematic Evaluation and Meta-Analysis (PRISMA) statement (Table S1). Methods: The study protocol of this meta-analysis has been registered in the International Prospective Register of Systematic Reviews (PROSPERO) with the registration code CRD42023390191. A total of 8397 articles were retrieved, searching PubMed, Medline, Embase, Web of Science, and Scopus databases as of November 21, 2022. Two independent authors were responsible for independently conducting the literature screening process. Effect-size estimates were expressed as odds ratio (OR) in cross-sectional studies and risk ratio (RR) in cohort studies with a 95% confidence interval (CI). Summary effect estimates were evaluated with random-effect models. Meanwhile, subgroup and sensitivity analyses were performed to assess the potential sources of heterogeneity and the robustness of the pooled estimation."