Dexmedetomidine as an anesthetic adjunct is associated with reduced complications and cardiac intensive care unit length of stay after heart valve surgery

Table 3 Area under the ROC curve for continuous variables

Variable	AUC	95%CI	Cut-off value	Sensitivity	Specificity	p value
Age	0.591	0.552–0.630	59.5	0.693	0.478	< 0.001
Intraoperative bleeding	0.558	0.518–0.599	1205.0	0.237	0.852	0.005
Intraoperative RBC transfusion	0.530	0.489–0.572	637.5	0.424	0.668	0.147
CPB	0.598	0.557–0.639	156.5	0.470	0.707	< 0.001
Intraoperative Milrinone	0.548	0.506–0.590	3.8	0.251	0.873	0.022
Intraoperative dopamine	0.556	0.514–0.599	62.6	0.251	0.878	0.007
Max HR at the end of surgery	0.585	0.544–0.625	97.5	0.420	0.710	< 0.001
Postoperative Mechanical ventilation	0.649	0.609–0.689	7.0	0.714	0.522	< 0.001

AUC Area Under Curve, CI Confidence Interval, CPB Cardiopulmonary Bypass, HR Heart Rate, RBC Red Blood Cell

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