Compared with the non-event group, patients in the event group had longer medical histories, more complicated respiratory inflammation issues, worse heart failure grades, lower systolic blood and pulse pressures, lower red blood cell counts, higher levels of NT-proBNP and inflammation indicators, higher levels of myocardial enzymes, worse liver and kidney functions, larger left ventricles, and more emergency hospital incidents. The gene discussed is NPPB; the disease is heart failure.