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      Fatores associados à soropositividade do teste ML Flow em pacientes e contatos de pacientes com hanseníase menores de 18 anos Translated title: Factors associated with ML Flow test seropositivity in leprosy patients and household contacts under the age of 18

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          Abstract

          Estudo transversal em menores de 18 anos, sendo 115 casos novos de hanseníase e 1.011 contatos intradomiciliares. Determinaram-se as proporções da soropositividade do ML Flow e fatores associados ao teste positivo. Observou-se soropositividade em 21,7% dos pacientes e 19,7% dos contatos. Nos pacientes, a regressão logística indicou associação com baciloscopia positiva e número de lesões cutâneas maior que cinco. A análise por árvore de decisão mostrou associação com baciloscopia, classificação de Madri, número de nervos acometidos e idade. Nos contatos, as duas análises indicaram as mesmas associações: classificação do caso-índice, idade e tipo de serviço de saúde. As variáveis que explicaram melhor a soropositividade, em menores de 18 anos, são aquelas associadas à maior carga bacilar. Assim, o teste ML Flow poderia ser utilizado também na infância para ajudar na correta classificação dos pacientes para tratamento e na identificação dos contatos com maior risco de desenvolver hanseníase.

          Translated abstract

          This article presents the results of a cross-sectional study involving 115 newly-diagnosed leprosy patients and 1,011 household contacts, all under the age of 18. Seropositivity ratios and factors associated with a positive ML Flow were determined. The test was positive in 21.7% of patients and in 19.7% of contacts. Among patients, logistic regression indicated the association of seropositivity with positive slit skin smear and having more than five skin lesions. The tree method analysis indicated associations with skin smear, Madrid classification, number of nerves affected and age. In the contact group, index case classification, age and type of health service were associated with seropositivity in both analyses. The variables that best explained seropositivity are those associated with higher bacterial load. Therefore, the ML Flow test could be used in children to aid correct classification of patients for treatment and to identify contacts at greater risk of developing leprosy.

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          Applied Logistic Regression

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            Guia para o controle da Hanseníase

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              Censo Demogáfico 2000

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                rsbmt
                Revista da Sociedade Brasileira de Medicina Tropical
                Rev. Soc. Bras. Med. Trop.
                Sociedade Brasileira de Medicina Tropical - SBMT (Uberaba )
                1678-9849
                2008
                : 41
                : suppl 2
                : 60-66
                Affiliations
                [1 ] Universidade Federal de Minas Gerais Brazil
                Article
                S0037-86822008000700013
                10.1590/S0037-86822008000700013
                7656079a-e047-42da-9aa0-50a611df9f88

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0037-8682&lng=en
                Categories
                TROPICAL MEDICINE

                Infectious disease & Microbiology
                Leprosy,Serologic tests,Hanseníase,Testes sorológicos
                Infectious disease & Microbiology
                Leprosy, Serologic tests, Hanseníase, Testes sorológicos

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