Table 4.

Multivariate Analysis to Define Independent Risk Factors for AKI

	OR (95% CI)	P Value
AUC >550	49.514 (10.117–242.334)	<.005
Age >70 y	2.427 (1.015–5.799)	.046
CrCl <50 mL/min	4.493 (1.061–19.031)	.041
Piperacillin-tazobactam	1.577 (0.646–3.851)	.318
Nephrotoxicity-related comorbidities	1.938 (0.73–5.143)	.184

Abbreviations: AKI, acute kidney injury; AUC, area under the curve; CrCl, creatinine clearance; OR, odds ratio.