Abstract
Objective: Pathogenesis of allergic rhinitis(AR) is thought to be related with asthma in children. However, lager scaled reports concerned on the co-morbidity of this two diseases in children are rare. In this meta-analysis, we aim to clarify the morbidity of asthma in children with AR.Method:Pubmed, Science, Springer, Elsevier, Embase, BMJ Journals, Wanfang data, VIP, CBM and CNKI were searched for relevant studies．The prevalences of asthma in children with AR were retrieved from individual studies and the pooled estimates generated by R3.2.3.Result:Fifteen cross-sectional studies were included in the meta-analysis. The results showed that the incidences of asthma in AR children were 35.01%(95％CI32.32%-37.70%) in China and 31.59%(95％CI28.02%-35.16%) in foreign countries.Conclusion:Comorbidity of AR and asthma was high in children. The incidence of asthma is higher in children with AR in China than that in foreign countries.
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