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Table 1 Demographic and disease characteristics of the total sample and of the three ambulation status subgroups

From: Disability status and quality of life in multiple sclerosis: non-linearity of the Expanded Disability Status Scale (EDSS)

   Ambulation status
  Total sample Group 1 Group 2 Group 3
n 3157 1429 633 938
% Women 71.7 77.0 70.5 63.6
Age (years; m +/- SD) 48.2 +/- 11.8 42.9 +/- 9.8 50.4 +/- 10.5 54.7 +/- 11.5
Years since diagnosis
(m +/- SD)
13.2 +/- 9.4 9.3 +/- 7.1 13.8 +/- 9.0 18.6 +/- 9.8