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EDSS score at baseline (white bars) and 5 years (gray bars) (A) and relapse rate over 5 years (B) in patients who were diagnosed with RR-MS at baseline and remained diagnosed with RR-MS at 5 years (RR RR), patients who switched from a RR-MS diagnosis at baseline to SP-MS at 5 years (RR SP), and patients who were diagnosed with SP-MS at baseline and remained SP-MS at 5 years (SP SP). The error bars indicate the standard error of the mean.
