Table 1.

Participant demographics and disease characteristics at randomization.

Parameter Mean (SD) unless stated otherwise	Early start (n = 125)	Delayed start (n = 126)	All (N = 251)
Demographics
Age at randomization, years	34.6 (6.0)	34.3 (6.5)	34.4 (6.2)
Age at termination, years	48.5 (11.1)	48.6 (11.3)	48.6 (11.2)
Sex, female, n (%)	88 (70)	96 (76)	184 (73)
Baseline disease characteristics
Age at onset of first MS symptoms, years	27.3 (5.9)	27.6 (6.5)	27.5 (6.2)
Duration of disease at randomization, years	7.3 (4.9)	6.6 (5.1)	7.0 (5.0)
EDSS score at randomization	2.8 (1.2)	2.4 (1.3)	2.6 (1.3)
Number of relapses during the last 2 years at randomization	2.9 (1.3)	2.9 (1.1)	2.9 (1.2)

SD: standard deviation; MS: multiple sclerosis; EDSS: Expanded Disability Status Scale.