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. 2021 Aug 4;8(5):4278–4287. doi: 10.1002/ehf2.13548

Figure 1.

Figure 1

Kaplan–Meier estimates of 28‐day mortality (A) and composite of death or mechanical ventilation (B) according to admission N‐terminal pro‐B‐type natriuretic peptide (NT‐proBNP). Categories of NT‐proBNP defined per the recommendations of the Heart Failure Association of the European Society of Cardiology. Low NT‐proBNP is defined as <300 ng/mL. Borderline NT‐proBNP is defined as 300–450 ng/mL for ages <50; 300–900 ng/mL for ages 50–75; and 300–1800 ng/mL for ages > 75. High NT‐proBNP is defined as >450 ng/mL for ages <50; >900 ng/mL for ages 50–75; and >1800 ng/mL for ages >75.