Table 1 Characteristics of the relapsing at onset population
N patients 2477
Gender
Women (%)1804 (72.8%)
Men (%)673 (27.2%)
Age at onset, years (mean, SD)29.2 (9.02)
Onset symptoms
Motor327 (13.2%)
Sensory1102 (44.5%)
Optic neuropathy503 (20.3%)
Cerebellar, ataxia or brainstem390 (15.7%)
Number patients reaching SP MS (%)1439 (58.1%)
Median time to SP MS (95%CI)*19.0 years (95%CI: 18.2–19.8)

  • *from Kaplan–Meier curves.

  • SP MS, secondary-progressive multiple sclerosis.