NCAM1 and primary progressive multiple sclerosis: Overall, AE occurrence was associated with male sex (OR: 3.31, CI: 1.179.39, p = 0.02), a higher percentage of T cells at baseline (CD3+) (per %: OR 1.07, CI: 1.00–1.13, p = 0.03), lower number of baseline percentual NKT cells (CD3 + CD16 + CD56+) (per %: OR 0.81, CI: 0.70–0.94, p = 0.01), as well as all but PPMS disease courses (PPMS OR: 0.05, CI: 0.00–0.55, p = 0.01) (Table 4).