MUSK and myasthenia gravis: The age at disease onset and the proportion of women were similar among the AChR-Abs MG, MuSK-Abs MG, and triple-SN-MG subgroups, similar to what was described by Deymeer et al.20However, in a previous study of a South African cohort, individuals with MuSK-Abs MG manifested the disease at a younger age.21