Disease modifying treatments received for at least 3 months.

IM: immunomodulatory disease modifying treatments; IS: Immunosuppressant disease modifying treatments. The total is above 100% as many patients have received more than one DMT during the time course of their disease.IM：免疫调节性疾病修饰治疗（immunomodulatory disease modifying treatments）；IS：免疫抑制性疾病修饰治疗（immunosuppressant disease modifying treatments）。由于诸多患者在疾病病程中接受过不止一种疾病修饰治疗（disease-modifying therapy, DMT），因此总占比超过100%。