CD4 and myasthenia gravis: In the HIV-infected MG cohort on PLEX/IVG and IV cyclophosphamide, the median CD4 count at diagnosis was 110 cells/μl (IQR 96–193 cells/μl) and 88 cells/μl (IQR 68–108 cells/μl) 2 weeks after cyclophosphamide.