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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