Fig. 2From: Multicenter derivation and validation of an early warning score for acute respiratory failure or death in the hospitalArea under the curve (AUCROC) for APPROVE, MEWS, and NEWS to predict for hospital mortality or intubation leading to mechanical ventilation > 48 h in retrospective 2013 validation cohort (a) and prospective 2017 validation hospital (b). APPROVE, MEWS and NEWS calculated at multiple random time points for each patient and evaluated for a qualifying event after score calculation. APPROVE Accurate Prediction of Prolonged Ventilation, CI confidence interval, MEWS Modified Early Warning Score, NEWS National Early Warning ScoreBack to article page