When the patients were divided into 2 groups according to median YKL-40 levels, no significant differences were observed between the groups in terms of hypertension, diabetes mellitus, hyperlipidemia, atherosclerotic vascular disease history, smoking, family history of premature coronary artery disease, be taking acetylsalicylic acid and be taking statin on admission, body mass index, and LV ejection fraction (p > 0.05). The gene discussed is CHI3L1; the disease is hyperlipidemia.