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CC BY-NC-ND 4.0 · Arq Neuropsiquiatr 2017; 75(08): 553-562
DOI: 10.1590/0004-282X20170103
CLINICAL SCALES, CRITERIA AND TOOLS

Translation and validation of the Life Satisfaction Index for Adolescents scale with neuromuscular disorders: LSI-A Brazil

Tradução e validação da escala de qualidade de vida para adolescentes com doenças neuromusculares para português do Brasil: LSI-A Brasil
Valdecir Antonio Simon
1   Universidade de São Paulo, Faculdade de Medicina, Departamento de Neurologia, São Paulo SP, Brasil;
,
Edmar Zanoteli
1   Universidade de São Paulo, Faculdade de Medicina, Departamento de Neurologia, São Paulo SP, Brasil;
,
Margarete Andreozzi Vaz Pereira Simon
2   Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, Instituto da Criança, Departamento de Distúrbios de Aprendizagem, São Paulo SP, Brasil.
,
Maria Bernadete Dutra de Resende
1   Universidade de São Paulo, Faculdade de Medicina, Departamento de Neurologia, São Paulo SP, Brasil;
,
Umbertina Conti Reed
1   Universidade de São Paulo, Faculdade de Medicina, Departamento de Neurologia, São Paulo SP, Brasil;
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ABSTRACT

Objective

To validate the Life Satisfaction Index for Adolescents (LSI-A) scale, parent version and patient version, for Duchenne muscular dystrophy (DMD), spinal muscular atrophy (SMA) and limb-girdle muscular dystrophy (LGMD).

Methods

The parent version of the instrument was divided into Groups A, B, C and D; and the patient version, divided into B, C and D. For the statistical calculation, the following tests were used: Cronbach’s α, ICC, Pearson and the ROC Curve.

Results

The parent and patient versions of the instrument are presented, with the following results in the overall score, respectively: Cronbach’s α, 0.87 and 0.89; reliability, r 0.98 and 0.97; reproducibility, ICC 0.69 and 0.80; sensitivity, 0.78 and 0.72; specificity, 0.5 and 0.69; and accuracy, 64% and 70.4%.

Conclusion

According to the validity and reproducibility values, the LSI-A Brazil parent and patient versions, are clinically useful to assess quality of life in DMD, SMA or LGMD and may also be useful for other neuromuscular disorders.

RESUMO

Objetivo

Validar a escala Life Satisfaction Index for Adolescents (LSI-A) versão pais e versão paciente para doenças neuromusculares.

Método

O instrumento versão pais foi dividido nos Grupos A,B, C e D; e paciente, em B, C e D. Para cálculo estatístico utilizou-se os testes α de Cronbach, CIC, Pearson e Curva ROC.

Resultados

Valor de Cronbach versão pais e paciente no escore geral, 0.87 e 0.89; confiabilidade,0.98 e 0.97;reprodutibilidade,entre 0.59 e 0.69 e, entre 0.58 e 0.80; sensibilidade, 0.78 e 0.72; especificidade, 0.5 e 0.69; e acurácia, 64% e 70.4% respectivamente.

Conclusão

Conforme a validade e reprodutibilidade, o LSI-A Brasil versão pais e paciente é útil clinicamente para avaliar a Qualidade de Vida da Distrofia Muscular de Duchenne, Amiotrofia Espinhal Progressiva ou Distrofia Muscular tipo Cinturas e pode ser usado para outras doenças neuromusculares.

validation studies - quality of life - neuromuscular disorders
estudos de validação - qualidade de vida - doenças neuromusculares

Support:

Higher Education Personnel Improvement Coordination (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES). It was carried out in the Department of Neurology, School of Medicine, University of São Paulo and in the João Pinheiro School.


APPENDIX



Publication History

Received: 06 December 2016

Accepted: 11 May 2017

Article published online:
05 September 2023

© 2023. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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