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      Brazilian version of the CHOP INTEND scale: cross-cultural adaptation and validation Translated title: Versão brasileira da escala CHOP INTEND: adaptação transcultural e validação

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          Abstract

          Background  Spinal muscular atrophy (SMA) is a rare genetic disease that causes progressive muscle weakness and impacts motor function. The type I is the most severe presentation and affects infants before 6 months old. In addition, the instruments available for assessing motor function have limitations when applied to infants with neuromuscular diseases and significant muscle weakness.

          Objective  To translate, cross-culturally adapt, and validate the Children's Hospital of Philadelphia Infant Test of Neuromuscular Disorders (CHOP INTEND) to Brazilian Portuguese.

          Methods  The present study comprised the translation, synthesis of translations, backtranslation, consolidation by a committee of experts, and test of the final version of the CHOP INTEND in 13 patients with SMA type I. We also assessed the content validity and reliability of the translated version.

          Results  The scale was translated considering semantic, structural, idiomatic, and cultural aspects. All agreement rates were > 0.8, the overall content validity index of the instrument was 0.98, and inter-rater reliability using the intraclass correlation coefficient was 0.998.

          Conclusion  The Brazilian version of the CHOP INTEND met semantic and technical equivalence criteria with the original version and was valid and reliable for patients with SMA type I.

          Resumo

          Antecedentes  A atrofia muscular espinhal (AME) é uma doença genética rara que provoca fraqueza muscular progressiva com impacto sobre a motricidade dos pacientes. A AME tipo I é considerada o tipo mais grave e acomete lactentes antes dos 6 meses de idade. As escalas disponíveis para avaliação das aquisições motoras mostram limitações para uso com crianças pequenas com doenças neuromusculares e fraqueza importante.

          Objetivo  Realizar a tradução, adaptação transcultural e validação para a língua portuguesa do Brasil da Children's Hospital of Philadelphia Infant Test of Neuromuscular Disorders (CHOP INTEND, na sigla em inglês).

          Métodos  O presente estudo seguiu as etapas de tradução, síntese das traduções, retrotradução, consolidação por comitê de especialistas e teste com 13 pacientes com AME tipo 1. Foi avaliada a validade de conteúdo e a confiabilidade do instrumento.

          Resultados  A escala foi traduzida considerando os aspectos semânticos, estruturais, idiomáticos e culturais. Todas as taxas de concordância foram > 0,8. O índice de validade de conteúdo geral do instrumento foi de 0,98. A confiabilidade interavaliadores analisada através do coeficiente de correlação intraclasse (ICC, na sigla em inglês) demonstrou um valor de ICC = 0,998.

          Conclusão  A versão da CHOP INTEND em português atende aos critérios de equivalência semântica e técnica em relação à versão original e apresenta validade de conteúdo e confiabilidade para seu uso na população de pacientes com AME tipo I.

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          Most cited references39

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          A Guideline of Selecting and Reporting Intraclass Correlation Coefficients for Reliability Research.

          Intraclass correlation coefficient (ICC) is a widely used reliability index in test-retest, intrarater, and interrater reliability analyses. This article introduces the basic concept of ICC in the content of reliability analysis.
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            The COSMIN study reached international consensus on taxonomy, terminology, and definitions of measurement properties for health-related patient-reported outcomes.

            Lack of consensus on taxonomy, terminology, and definitions has led to confusion about which measurement properties are relevant and which concepts they represent. The aim was to clarify and standardize terminology and definitions of measurement properties by reaching consensus among a group of experts and to develop a taxonomy of measurement properties relevant for evaluating health instruments. An international Delphi study with four written rounds was performed. Participating experts had a background in epidemiology, statistics, psychology, and clinical medicine. The panel was asked to rate their (dis)agreement about proposals on a five-point scale. Consensus was considered to be reached when at least 67% of the panel agreed. Of 91 invited experts, 57 agreed to participate and 43 actually participated. Consensus was reached on positions of measurement properties in the taxonomy (68-84%), terminology (74-88%, except for structural validity [56%]), and definitions of measurement properties (68-88%). The panel extensively discussed the positions of internal consistency and responsiveness in the taxonomy, the terms "reliability" and "structural validity," and the definitions of internal consistency and reliability. Consensus on taxonomy, terminology, and definitions of measurement properties was reached. Hopefully, this will lead to a more uniform use of terms and definitions in the literature on measurement properties. Copyright 2010 Elsevier Inc. All rights reserved.
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              Propriedades psicométricas na avaliação de instrumentos: avaliação da confiabilidade e da validade

              Resumo Instrumentos de medida desempenham um importante papel na pesquisa, na prática clínica e na avaliação de saúde. Estudos sobre a qualidade desses instrumentos fornecem evidências de como as propriedades de medida foram avaliadas, auxiliando o pesquisador na escolha da melhor ferramenta para utilização. A confiabilidade e a validade são consideradas as principais propriedades de medida de tais instrumentos. Confiabilidade é a capacidade em reproduzir um resultado de forma consistente, no tempo e no espaço. Validade refere-se à propriedade de um instrumento medir exatamente o que se propõe. Neste artigo são apresentados, discutidos e exemplificados os principais critérios e testes estatísticos empregados na avaliação da confiabilidade (estabilidade, consistência interna e equivalência) e validade (conteúdo, critério e construto) de instrumentos. A avaliação das propriedades de medida de instrumentos é útil para subsidiar a seleção de instrumentos válidos e confiáveis, de modo a assegurar a qualidade dos resultados dos estudos.
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                Author and article information

                Journal
                Arq Neuropsiquiatr
                Arq Neuropsiquiatr
                10.1055/s-00054595
                Arquivos de Neuro-Psiquiatria
                Thieme Revinter Publicações Ltda. (Rua do Matoso 170, Rio de Janeiro, RJ, CEP 20270-135, Brazil )
                0004-282X
                1678-4227
                04 October 2023
                September 2023
                1 October 2023
                : 81
                : 9
                : 816-824
                Affiliations
                [1 ]Instituto de Medicina Integral Professor Fernando Figueira, Pós-graduação em Saúde Integral, Recife PE, Brazil.
                [2 ]Hospital Otávio de Freitas, Departamento de Reabilitação, Recife PE, Brazil.
                [3 ]Hospital Maria Lucinda/Rarus, Serviço de Doenças Raras, Recife PE, Brazil.
                [4 ]Universidade Federal de Pernambuco, Centro de Ciências da Saúde, Recife PE, Brazil.
                [5 ]Associação de Assistência à Criança Deficiente, Serviço de Fisioterapia, Recife PE, Brazil.
                Author notes
                Address for correspondence Renalli Manuella Rodrigues Alves renalli@ 123456hotmail.com
                Author information
                http://orcid.org/0000-0001-8410-5341
                http://orcid.org/0000-0001-9181-0209
                http://orcid.org/0000-0003-1641-9386
                http://orcid.org/0000-0002-5476-0764
                http://orcid.org/0000-0002-5647-1835
                Article
                ANP-22-0302
                10.1055/s-0043-1772832
                10550346
                37793404
                c99259b4-0534-43da-8267-2d4e0fa73820
                Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit ( https://creativecommons.org/licenses/by/4.0/ )

                This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 03 December 2022
                : 01 May 2023
                Categories
                Original Article

                muscular atrophy, spinal,growth and development,validation study,atrofia muscular espinal,crescimento e desenvolvimento,estudos de validação

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