Table 3.

Area under curve between valueariables

Variables	AUC	Cut-off value	Sensitivity	Specificity	P value	95% CI
& Alb	0.675	4.55	0.707	0.585	<0.01	0.626–0.723
Preoperative albumin (g·L− 1)	0.546	39.15	0.565	0.56	0.075	0.495–0.597
Postoperative albumin g·L− 1)	0.659	34.25	0.646	0.616	<0.01	0.626–0.723

Note AUC = area under curve; 95%CI = 95% confidence interval; CI-AKI, contrast-induced acute kidney injury. & Albumin, Perioperative Serum Albumin