Fig. 3From: Long-term effects of natalizumab on MRI activity and clinical outcomes in Japanese patients with relapsing-remitting multiple sclerosisEDSS scores stratified by the baseline EDSS score in patients with relapsing-remitting multiple sclerosis receiving natalizumab. Year − 1 (baseline) EDSS is the closest score available before initiating natalizumab, and Years 1, 2, and 3 are the scores available within 4 weeks (before or after) of Weeks 52, 100, and 148, respectively. EDSS, Expanded Disability Status ScaleBack to article page