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Receiver operating characteristic curves for biomarkers and CURB-65 severity score (confusion, urea >7 mmol·L−1, respiratory rate ≥30 breaths·min−1, blood pressure <90 mmHg (systolic) or ≤60 mmHg (diastolic), age ≥65 years) at hospital admission for prediction of an adverse short-term outcome. a) Procalcitonin; b) pentraxin 3; c) presepsin. AUC: area under the curve.
