The median of serum albumin levels were significantly lower in the 16 KD patients with coronary aneurysms (3.4 g/dL, IQR: 2.85-3.55 g/dL) than in those without coronary aneurysms (4.0 g/dL, IQR: 3.6-4.3 g/dL; P < 0.001). The gene discussed is ALB; the disease is coronary aneurysm.