Table 1.

Characteristics of patients and healthy control subjects

CharacteristicsTotal MS, n = 137RR, n = 80SP, n = 36PP, n = 21Healthy controls, n = 12
RR = relapsing-remitting; SP = secondary progressive; PP = primary progressive; EDSS = Expanded Disability Status Scale; MSFC = MS Functional Composite; NA = not applicable.
Sex, n (%)
    F85 (62)57 (71)17 (47)11 (52)7 (58)
    M52 (38)23 (29)19 (53)10 (48)5 (42)
Age, y, mean (SD)41.7 (9.6)38.7 (9.0)44.4 (9.4)48.0 (7.4)42.5 (7.8)
Duration of symptoms, y, mean (SD)11.4 (8.4)9.4 (8.1)15.4 (8.1)12.4 (7.4)NA
MSFC, mean (SD)0.15 (0.74)0.45 (0.48)−0.40 (0.87)−0.09 (0.73)NA
EDSS, median (interquartile range)2.5 (1.5–5.5)1.5 (1.0–2.0)6.0 (3.5–6.5)6.0 (3.5–6.5)NA