Table 1

Demographic and clinical characteristics of the enrolled disease groups
Demographic variables

All MS

n= 273

RR-MS

n= 181

SP-MS

n= 80

PP-MS

n= 12

p-value
Females: Males (% Female) 208: 65 (76.2%) 138: 43 (76.2%) 63: 17 (78.8%) 7: 5 (58.3%) 0.34
Age, years 47.7 ± 10.7 44.7 ± 10.0 53.3 ± 9.7 54.6 ± 8.0 < 0.001
Disease duration*, years 15.2 ± 10.5 12.1 ± 8.3 21.9 ± 12.0 15.8 ± 9.4 < 0.001
Median EDSS* (IQR) 3.0 (4.0) 2.0 (1.5) 6.0 (1.5) 5.75 (3.13) < 0.001
MSSS 4.05 ± 2.51 3.08 ± 2.12 5.87 ± 2.11 6.06 ± 2.71 < 0.001
Treatment duration, years 3.8 ± 3.7 3.4 ± 3.5 4.8 ± 4.1 3.4 ± 3.0 0.03

* From symptoms.

Female to male ratio: χ2 test; Age, disease duration, MSSS, treatment duration: one-way ANOVA; EDSS: Kruskal-Wallis test.

MS multiple sclerosis; PP primary progressive, RR relapsing-remitting; SP econdary progressive; IQR inter-quartile range; EDSS Expanded Disability Status Scale.

Weinstock-Guttman et al.

Weinstock-Guttman et al. BMC Neurology 2012 12:26   doi:10.1186/1471-2377-12-26

Open Data