Figure 2From: Prediction of death and prolonged mechanical ventilation in acute lung injuryArea under receiving operator curves: model versus day 1 SAPS II and day 3 SOFA scores. (a) International derivation cohort (VENTILA), (b) clinical trial validation cohort (ARDS-Net), and (c) population-based validation cohort (KCLIP). SAPS, Simplified Acute Physiology Score; SOFA, Sequential Organ Failure Assessment.Back to article page