Table 6

Area under the receiver operating curve (AUROC) comparison between Combined Assessment of Risk Encountered in Surgery (CARES) and American Society of Anaesthesiologists (ASA) for mortality and intensive care unit (ICU) >24 hours

ModelAUROC (95% CI) for mortalityStandard error*AUROC (95% CI) for ICU>24 hoursStandard error*
CARES0.934 (0.917 to 0.950)0.0090.863 (0.848 to 0.878)0.008
ASA0.871 (0.846 to 0.907)0.0130.772 (0.754 to 0.791)0.009
ASA-propensity0.879 (0.851 to 0.846)0.0140.763 (0.744 to 0.783)0.010
  • The corresponding ROCs are shown in online supplementary appendix figure 11.

  • *Under non-parametric assumption.