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Neurology. 2000 Dec 26;55(12):1901-3.

Are quantitative functional measures more sensitive to worsening MS than traditional measures?

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  • 1Department of Neurology, University of Rochester Medical Center, Rochester, NY, USA.


The authors used data collected prospectively during a multicenter trial in 133 patients with secondary progressive MS to assess the relative sensitivity of quantitative functional tests and traditional measures, including the Expanded Disability Status Scale (EDSS) and Ambulation Index. Quantitative functional measures worsened in 69% of patients during an average of 6 months of observation, whereas the Clinical Global Impression of Change worsened in 33% and the EDSS worsened in 25% of patients. These changes should be interpreted in the context of the test-retest reliability for each measure.

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