NPPB and COVID-19: We found that the overall fatality rate of COVID-19 patients aged ≥75 years was 12.8%; over > 25% of patients presented as severe or critical cases on admission and required intensive care; and patients who were male and presented with a body temperature > 37.3 °C, SpO2 ≤ 90%, and NT-proBNP> 1800 ng/L were at high risk of death.