Fig. 5

MRZ reaction. a The antibody indices for M, R, and Z in multiple sclerosis (pooled data from ref. [36, 38]) and in samples from MOG-IgG-positive patients (present study). Groups were compared using the Kruskal–Wallis test with Dunn’s post test. b The frequency of a positive MRZ reaction (MR, MZ, RZ, or MRZ) in MOG-EM (present study), in neuromyelitis optica spectrum disorders (NMOSD), and in healthy controls (HC) (data from [36]). AI, antibody index; M, measles virus AI; R, rubella virus AI; Z, varicella-zoster virus AI