Characteristics of patients such as gender, age, systolic blood pressure, heart rate, hypertension, diabetes, coronary heart disease, percutaneous coronary intervention (PCI) history, smoking, hemoglobin, albumin, creatinine, NT-proBNP, native QRSd, LVEF, HBP were comparable between HPP group and LPP group (all p > 0.05). Here, NPPB is linked to hypophosphatasia.