Acne vulgaris: prevalence and clinical forms in adolescents from São Paulo, Brazil

Acne vulgaris: prevalence and clinical forms in adolescents from São Paulo, Brazil

Autor Bagatin, Edileia Autor UNIFESP Google Scholar
Timpano, Denise Lourenço Google Scholar
Guadanhim, Lilia Ramos Dos Santos Google Scholar
Nogueira, Vanessa Mussupapo Andraus Google Scholar
Terzian, Luiz Roberto Google Scholar
Steiner, Denise Google Scholar
Florez, Mercedes Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Universidade de Mogi das Cruzes
Faculdade de Medicina do ABC
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Resumo BACKGROUND: Acne is a common disease in adolescents, but there are no epidemiological data for acne in Brazil. OBJECTIVES: To estimate the prevalence and degree of acne in adolescents from São Paulo and study socio-demographic factors, family history and lifestyle, associated with the disease. METHODS: Cross-sectional study with 452 adolescents aged between 10 and 17 (mean=13.3 years), students from elementary and high school, examined by 3 independent evaluators. RESULTS: 62.4% were female, 85.8% white and 6.4% were aged 14. The prevalence was 96.0% and increased with age - all students over 14 had acne. The most prevalent form of acne was comedonal (61.1%), followed by mild (30.6%) and moderate (7.6%) papular-pustular, which affected mostly the face (97.5%). About half of the adolescents reported family history for acne in mother or father, and 20.6% reported previous treatment for acne. There was a higher chance of presenting non-comedonal acne with increased age (p<0.001). DISCUSSION: The prevalence of acne in adolescents varies widely due to the clinical features and diagnostic methods used. Adolescents whose brothers/sisters had acne (OR=1.7-p=0.027) and those over 13 (OR=8.3-p<0.001), were more likely to have non-comedonal acne. CONCLUSION: This study showed high prevalence of acne in adolescents from São Paulo, predominantly the comedonal form on the face, with a higher chance of presenting non-comedonal acne with increased age.
Palavra-chave Acne vulgaris
Demographic data
Family characteristics
Prevalence
Socioeconomic factors
Idioma Inglês
Data de publicação 2014-06-01
Publicado em Anais Brasileiros de Dermatologia. Sociedade Brasileira de Dermatologia, v. 89, n. 3, p. 428-435, 2014.
ISSN 0365-0596 (Sherpa/Romeo)
Publicador Sociedade Brasileira de Dermatologia
Extensão 428-435
Fonte http://dx.doi.org/10.1590/abd1806-4841.20142100
Direito de acesso Acesso aberto Open Access
Tipo Artigo
SciELO S0365-05962014000300428 (estatísticas na SciELO)
Endereço permanente http://repositorio.unifesp.br/handle/11600/8389

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