Validation of the NARCOMS Registry: fatigue assessment
- 1 October 2005
- journal article
- research article
- Published by SAGE Publications in Multiple Sclerosis Journal
- Vol. 11 (5), 583-584
- https://doi.org/10.1191/1352458505ms1216oa
Abstract
Participants in the North American Research Committee on Multiple Sclerosis (NARCOMS) Registry report disability using Performance Scales (PS), which assess eight domains. We aimed to validate the PS fatigue subscale (PSF) using the Fatigue Severity Scale (FSS) and the Modified Fatigue Impact Scale (MFIS) as external criteria. We measured correlations between the PSF and age, disease duration and PS subscales to assess construct validity. The PSF correlated strongly with the MFIS (r=0.72, pKeywords
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