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ALSFRS and appel ALS scores: discordance with disease progression

Voustianiouk, A. and Seidel, G. and Panchal, J. and Sivak, M. and Czaplinski, A. and Yen, A. and Appel, S. H. and Lange, D. J.. (2008) ALSFRS and appel ALS scores: discordance with disease progression. Muscle & nerve, Vol. 37. pp. 668-672.

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Official URL: http://edoc.unibas.ch/dok/A6006601

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Abstract

Progression of disease and effectiveness of therapy in patients with amyotrophic lateral sclerosis (ALS) are determined by both questionnaire- and examination-based measures. To determine whether both types of measurement tools are equally predictive at all stages of disease, we compared questionnaire-based ALS Functional Rating Scale (ALSFRS) scores to the examination-based Appel ALS (AALS) scores at different stages of disease. Same-day scores were obtained during 174 visits in 62 patients with definite or probable ALS. Using normalized scores, correlation between the scales and predictability were best in mildly affected patients. Predictions of ALSFRS based on AALS scores were less than half as precise in the later stages of disease. Both scales showed significant change with disease progression, but ALSFRS consistently underestimated disease severity defined by AALS (P > 0.001). Questionnaire-based measurements should be compared against objective scales at all stages of disease severity before they are accepted as primary endpoint measures.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Neurologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Neurologie
UniBasel Contributors:Czaplinski, Adam
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:John Wiley
ISSN:0148-639X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:08 Nov 2012 16:22
Deposited On:08 Nov 2012 16:14

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