Table 2.

Receiver operating characteristic curve for VIS.

Variable	AUC	SE	P-value	95% CI
VIS at the end of surgery	0.805	0.044	< 0.01	0.718-0.892
VIS6h	0.707	0.053	< 0.01	0.603-0.810
VIS12h	0.706	0.053	< 0.01	0.603-0.810
VIS12h max	0.733	0.051	< 0.01	0.633-0.833

AUC=area under the curve; CI=confidence interval; SE=standard error; VIS=vasoactive-inotropic score