en Meta-analysis Review Meta-analysis Review <!--stripped--> <o:OfficeDocumentSettings> <o:AllowPNG/> </o:OfficeDocumentSettings> <!--stripped--> <p style="text-align: justify" class="MsoNormal"><span class="JPRAbstractChar"><span lang="EN-US" style="color: black">Allergic rhinitis is a very common disorder that affects children. To determine the national prevalence of allergic rhinitis symptoms in Iranian children, we conducted a systematic review and meta-analysis. </span></span></p> <p style="text-align: justify" class="MsoNormal"><span class="JPRAbstractChar"><span lang="EN-US" style="color: black">We conducted a literature search by using the Google Scholar from 1992 until 2012. The search terms were included: Allergic rhinitis, ISAAC and Iran. All the selected studies on children were performed by the <a name="OLE_LINK2"></a><a name="OLE_LINK1"><span>International Study of Asthma and Allergies in Childhood </span></a>protocol. By following the criteria, we gathered 436 articles. The required information from each study includes the authors, date, city, number of children in age groups 6-7 and 13-14. The information was recorded on particularly designed sheets. The data were analyzed by STATA 11.</span></span></p> <p style="text-align: justify" class="MsoNormal"><span class="JPRAbstractChar"><span lang="EN-US" style="color: black">In this study, we analyzed 13 studies. 20668 children were in 6-7 years age group and 22920 were in 13-14 years age group. The pooled prevalence of allergic rhinitis in children 6-7 years of age was 11.9% and in children aged 13-14 was 21.2%.</span></span></p> <span class="JPRAbstractChar"><span lang="EN-US" style="font-size: 11pt line-height: 115% color: black">The result shows that the prevalence of allergic rhinitis in Iranian children is high. 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