Muscle & nerve · 2019
Translation and validation of the arabic version of the myasthenia gravis activities of daily living scale.
СтатьяПоддержка исследования: вне правительства СШАВалидационное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Alanazy Mohammed H, Abuzinadah Ahmad R, Muayqil Taim
Аннотация
INTRODUCTION: We translated the myasthenia gravis (MG)-specific activities of daily living (MG-ADL) scale into Arabic (MG-ADL-A) and assessed its psychometric properties.
METHODS: We assessed reliability using Cronbach's α, reproducibility using the intraclass correlation coefficient, and validity using Spearman's correlations with MG composite (MGC) score, MG-specific manual muscle test (MG-MMT), and MG quality-of-life revised Arabic version (MGQOL15R-A). Differences in MG-ADL-A scores among patients with different disease severity were evaluated by using the Kruskal-Wallis test. Sensitivity to change was examined by using the Wilcoxon signed-rank test.
RESULTS: We recruited 87 patients. The mean MG-ADL-A score was 3.38 ± 3.38 (α = 0.77, ICC = 0.99). The correlation coefficients between the MG-ADL-A and MGQOL15R-A, MGC, and MG-MMT were 0.63, 0.74, and 0.61, respectively (P < 0.001). The MG-ADL-A discriminated between different severity groups and was responsive to clinical improvement at follow-up.
DISCUSSION: The MG-ADL-A has rigorous psychometric properties and can be used with Arabic-speaking patients with MG. Muscle Nerve 59:583-583, 2019.
METHODS: We assessed reliability using Cronbach's α, reproducibility using the intraclass correlation coefficient, and validity using Spearman's correlations with MG composite (MGC) score, MG-specific manual muscle test (MG-MMT), and MG quality-of-life revised Arabic version (MGQOL15R-A). Differences in MG-ADL-A scores among patients with different disease severity were evaluated by using the Kruskal-Wallis test. Sensitivity to change was examined by using the Wilcoxon signed-rank test.
RESULTS: We recruited 87 patients. The mean MG-ADL-A score was 3.38 ± 3.38 (α = 0.77, ICC = 0.99). The correlation coefficients between the MG-ADL-A and MGQOL15R-A, MGC, and MG-MMT were 0.63, 0.74, and 0.61, respectively (P < 0.001). The MG-ADL-A discriminated between different severity groups and was responsive to clinical improvement at follow-up.
DISCUSSION: The MG-ADL-A has rigorous psychometric properties and can be used with Arabic-speaking patients with MG. Muscle Nerve 59:583-583, 2019.