Fig. 3From: Validation of the PreOperative Score to predict Post-Operative Mortality (POSPOM) in Dutch non-cardiac surgery patientsROC curve: predicted versus observed in-hospital mortality for POSPOM. ROC curve with a corresponding C-statistic of 0.86 (95% CI, 0.78–0.93), which implies strong discriminating power. Abbreviations: ROC Receiver Operating Characteristics, POSPOM PreOperative Score to predict PostOperative MortalityBack to article page