The correlation between tic disorders and allergic conditions in children: A systematic review and meta-analysis of observational studies

Abstract

Aim: To evaluate the correlation between tic disorders and allergies and to inform strategies for the treatment and prevention of tic disorders. Methods: We conducted online searches of the MEDLINE, Embase, Cochrane, CNKI, CBM, WanFang, and VIP Information databases. Case-control studies and cohort studies related to tic disorders and allergic conditions were searched. Two researchers screened the literature, extracted data, and evaluated …