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Table 2 Performance of the prediction model

From: Prediction of death and prolonged mechanical ventilation in acute lung injury

Study cohort Discriminationa Calibrationb
Derivation
   VENTILA 0.72 (0.65 to 0.79) 0.78
Validation
   ARDS-Net 0.81 (0.77–0.84) 0.12
   KCLIP 0.71 (0.65–0.76) 0.03
  1. aArea under the receiver operating curve (95% confidence interval). bHosmer-Lemeshow goodness of fit (P value).