Patient characteristics Value
Mean age, years (SD):  
At baseline 38.0 (8.4)
At first relapse* 32.2 (8.0)
Female, n (%) 68 (69.4)
Ethnicity, n (%):  
Caucasian 96 (98.0)
Other 2 (2.0)
Family history of multiple sclerosis, n (%) 10 (10.4)
Mean duration of multiple sclerosis, months (SD) 42.6 (62.9)
Mean number of relapses since multiple sclerosis diagnosis (SD) 1.3 (1.3)
Annual relapse rate since multiple sclerosis diagnosis 0.4
Mean time from last relapse to baseline, months (SD)§ 14.8 (23.8)
Table 1: Baseline patient characteristics (N=98).