Kaplan-Meier and multivariable Cox regression analysis of potential factors associated with time-to-discontinuation of all first-line DMTs and the initial DMT prescribed.

DMT = disease modifying therapy; EDSS = Expanded Disability Status Scale; GA = glatiramer acetate; IFN-β = interferon-beta; y = years, GOF = goodness-of-fit; n = 1465 in multivariable models.aLog-rank test.bWald test from multivariable Cox regression model adjusted for all covariates.cPer one-unit increase in MS duration.Kaplan-Meier and multivariable Cox regression analysis of potential factors associated with time-to-discontinuation of all first-line DMTs and the initial DMT prescribed.