Figure 1From: Resource utilization, costs and treatment patterns of switching and discontinuing treatment of MS patients with high relapse activity Patient selection flowchart. ICD=International Classification of Diseases; CM=Clinical Modification; DMT=disease modifying therapy; PDC=proportion of days covered. aNon rule out diagnosis was used to define patients. bInterferon β-1a, interferon β-1b, glatiramer acetate, or natalizumab.Back to article page