Figure 4 Pattern of relapse in patients with MOG-Ab Five myelin oligodendrocyte glycoprotein antibody (MOG-Ab)–positive patients experienced a relapse, all of which manifested as optic neuritis (ON). Pattern of relapse in patients with MOG-Ab Five myelin oligodendrocyte glycoprotein antibody (MOG-Ab)–positive patients experienced a relapse, all of which manifested as optic neuritis (ON). All patients with a relapsing disease course experienced a relapse within the first year of disease onset. Blue bar represents treatment period for relapse prevention. Sung-Min Kim et al. Neurol Neuroimmunol Neuroinflamm 2015;2:e163 © 2015 American Academy of Neurology