Fig. 2From: Prognostic value of NT-proBNP in patients with severe COVID-19Kaplan-Meier plots showing the cumulative survival rate of COVID-19 patients who were stratified into two groups according to plasma NT-proBNP cutoff point at baseline. Dotted line, NT-proBNP ≤88.64 pg/ml, n = 24; Solid line, NT-proBNP > 88.64 pg/ml, n = 30; log-rank test for trend, P < 0.001)Back to article page