Parameter AUC Std. Error Sig. Confidence Interval
Lower Upper
Morbidity     Age 0.615 0.064 >0.05 0.489 0.741
Clamping time 0.648 0.058 0.018 0.534 0.763
CPB time 0.648 0.058 0.018 0.534 0.763
Operative time 0.632 0.064 0.036 0.506 0.757
No. of diseased vessels 0.558 0.062 >0.05 0.436 0.679
Prior PCI 0.668 0.058 0.007 0.555 0.782
Mortality Age 0.667 0.067 0.027 0.535 0.799
Clamping time 0.692 0.071 0.011 0.552 0.832
CPB time 0.68 0.075 0.017 0.533 0.826
Operative time 0.644 0.071 >0.05 0.506 0.783
No. of diseased vessels 0.539 0.077 >0.05 0.388 0.69
Prior PCI 0.713 0.069 0.005 0.577 0.849
Table 4: ROC curve analysis for evaluated parameters as predictors for postoperative morbidities and mortality. AUC: Area under curve; Std error: Standard Error; Sig.: Significance; Preop: Preoperative; PO: Postoperative; CPB: Cardiopulmonary Time.