CD33 and attention deficit-hyperactivity disorder: With a significance level of 0.10 (PFDR<0.1) (22), four immunophenotypes showed impacts on ADHD: CD33 on Im MDSC (Myeloid cell), CD8br NKT %T cell (TBNK), CD8br NKT %lymphocyte (TBNK), and CD33 on CD14+ monocyte (Myeloid).