Characteristics of the study cohort at the index date overall and by the initial DMT prescribed.

GA = glatiramer acetate; IFN-β = interferon-beta; EDSS = Expanded Disability Status Scale; y = years.aIFN-β-1a s.c. (n = 411), IFN-β-1b (n = 120), IFN-β-1a i.m. (n = 34).bMissing in 6 patients; of 8 patients with EDSS > 6.5 one had a comorbid condition that caused quadriparesis and seven were in the midst of a relapse.ct-test.dChi-square test.eWilcoxon rank-sum test.Characteristics of the study cohort at the index date overall and by the initial DMT prescribed.