As shown in Figure 8B and ten immune cell types were significantly different between the CAD and control groups (p < 0.05), including naive B cells, memory B cells, CD8 T cells, activated memory CD4 T cells, follicular helper T cells, activated NK cells, monocytes, activated dendritic cells, resting mast cells and neutrophils. The gene discussed is CD8A; the disease is coronary artery disorder.