Figure 2. Mean Annual Costs per Patient Stratified by Disease Severity and Serostatus.

Mean total annual costs (2018 Euros) per patient per year of the entire study population and categorized according to disease severity groups (A) and serostatus (B). AQP4 = aquaporin-4; EDSS = Expanded Disability Status Scale; IPND = International Panel for NMO Diagnosis; MOGAD = myelin oligodendrocyte glycoprotein antibody-associated disease; NMOSD = neuromyelitis optica spectrum disorders.