CD79A and common variable immunodeficiency: CVID patients representing the PID group showed increased levels of white blood cells (WBCs) relative to healthy individuals, as well as decreased levels of lymphocytes (LYMs), neutrophils (NEUs), red blood cells (RBCs), hemoglobin (HGB), platelets (PLTs), and a characteristic decrease in immunoglobulin G (IgG) and IgA (Supplementary Table S1).