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Survival according to (A) qSOFA and BNP or NT-pro-BNP elevation; or (B) qSOFA and troponin elevation. qSOFA positive was defined as a score ≥ 2. Elevated troponin was defined as that above each centre threshold. Elevated cardiac biomarkers were BNP > 50 pg/mL or NT − pro-BNP > 300 pg/mL. BNP, B-type natriuretic peptide; NT − pro-BNP, N-terminal pro-B-type natriuretic peptide; qSOFA, quick Sequential Organ Failure Assessment.
