Table 4. Area Under the Curve (AUC) for Postoperative Complications.

	AUC	SE	95% CI
CARE Score	0.615	0.0662	0.477–0.741
EuroScore II	0.665	0.0721	0.528–0.785
Edmonton Frail Scale	0.652	0.0745	0.515–0.774
Clinical Frailty Scale	0.636	0.0748	0.498–0.760

SE: standard error, CI: confidence interval, CARE: cardiac anesthesia risk evaluation.