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November 01, 1983; 33 (11) Articles

Rating neurologic impairment in multiple sclerosis

An expanded disability status scale (EDSS)

John F. Kurtzke
First published November 1, 1983, DOI: https://doi.org/10.1212/WNL.33.11.1444
John F. Kurtzke
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Rating neurologic impairment in multiple sclerosis
An expanded disability status scale (EDSS)
John F. Kurtzke
Neurology Nov 1983, 33 (11) 1444; DOI: 10.1212/WNL.33.11.1444

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Abstract

One method of evaluating the degree of neurologic impairment in MS has been the combination of grades (0 = normal to 5 or 6 = maximal impairment) within 8 Functional Systems (FS) and an overall Disability Status Scale (DSS) that had steps from 0 (normal) to 10 (death due to MS). A new Expanded Disability Status Scale (EDSS) is presented, with each of the former steps (1,2,3 … 9) now divided into two (1.0, 1.5, 2.0 … 9.5). The lower portion is obligatorily defined by Functional System grades. The FS are Pyramidal, Cerebellar, Brain Stem, Sensory, Bowel & Bladder, Visual, Cerebral, and Other; the Sensory and Bowel & Bladder Systems have been revised. Patterns of FS and relations of FS by type and grade to the DSS are demonstrated.

  • © 1983 by the American Academy of Neurology

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