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RESEARCH PRODUCT

Prevalence of acne vulgaris among women with polycystic ovary syndrome: a systemic review and meta-analysis.

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The aim of this meta-analysis was to evaluate the prevalence of acne among women with PCOS worldwide, and in subgroups of patients with different age, geographical-region, and PCOS definition-criteria, compared to healthy non-PCOS counterparts. A comprehensive literature search was performed in PubMed (including Medline), Web of Science, and Scopus databases for retrieving articles in English investigating the prevalence of PCOS. ‘Meta-prop’ method was applied to estimate pooled prevalence of acne in both groups. Meta-regression was conducted to find the association between acne in women with and without PCOS. We used 60 studies, included data of 240,213 women with PCOS and 1,902,022 healthy-controls for the meta-analysis. The overall pooled prevalence of acne among women with and without PCOS, was 43% (95% CI: 41–45%) and 21% (95% CI: 19–22%), respectively, which was 1.6-fold significantly higher than among healthy-controls. The pooled prevalence of acne in adults, and in adolescents PCOS patients were 42 and 59%, respectively, which were significantly higher than non-PCOS counterparts. The pooled estimated prevalence of acne in adult PCOS women was 76% using the NIH definition and 36% by Rotterdam-criteria; both were significantly higher than non-PCOS counterparts, respectively. In subgroups of adults, who used Rotterdam-definition, the highest prevalence of acne in PCOS patients was reported in East Asia and was 3.5-fold higher than non-PCOS counterparts. Despite the presence of heterogeneity and publication bias among available literature, it may be concluded that acne is one of the common dermatological manifestations in PCOS. In addition, results highlight geographical differences among PCOS patients.