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Year : 2020  |  Volume : 25  |  Issue : 1  |  Page : 104

Prevalence of joint hypermobility in children and adolescents: A systematic review and meta-analysis

1 Department of Orthopaedics Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
2 Department of Medicine, Trauma Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran

Correspondence Address:
Dr. Mohsen Motalebi
Department of Medicine, Baqiyatallah University of Medical Sciences, Baqiyatallah Hospital, Vanaq Square, Tehran
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jrms.JRMS_983_19

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Background: The inconsistent results of different studies regarding the prevalence of joint hypermobility (JH) or joint laxity in children and adolescents made us conduct a meta-analysis on the prevalence of JH in this age group. Materials and Methods: We searched electronic databases including Trip, Scopus, Medline, Embase, PubMed, and Google Scholar; some Iranian databases including Iran Medex and Magiran; and Scientific Information Database to find studies in which the prevalence of JH in children and adolescents had been reported since January 1990 to April 2017. In this process, two researchers evaluated the articles separately while they were not aware of each other's method, and they extracted and matched the information. Results: Necessary data of twenty studies (15,097 boys and 6048 girls) were entered into this meta-analysis. The age range in these studies was 3–19 years. According to the meta-analysis conducted on the twenty studies, it was determined that the total prevalence of JH among children and adolescents was 34.1% (95% confidence interval [CI]: 33.3%–34.8%). Based on the results obtained from the studies, a significant heterogeneity (I2 index equals to 99,415 and P ≤ 0.001) was shown, so we used random-effects model; moreover, the overall assessment of studies showed a statistically significant publication bias (P = 0.02). In total, the prevalence in girls was equal to 32.5% (95% CI: 31.4%–33.7%), and in boys, it was equal to 18.1% (95% CI: 17.2%–19.1%). Conclusion: According to this meta-analysis, studies showed high heterogeneity, and the prevalence of JH in children and adolescents around the world was equal to 34.1% (95% CI: 33.3%–34.8%) in total, whereas it was higher in girls and lower in older ages.

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