KLRK1 and coronary artery disorder: The percentages of NKp30+ (Figures 4A, D, G), NKp46+(Figures 4B, E, H), and NKG2D+ cells (Figures 4C, F, I) in total γδ T cells, Vδ2+T cells, and Vδ2-T cells were significantly lower in CAD patients compared to healthy individuals.