Table 3.

Bivariate Analysis to Identify Risk Factors Associated With AKI

	No AKI, No. (%)	AKI, No. (%)	P Value
AUC >550	58 (58)	42 (42)	<.005
Age >70 y	52 (67.5)	25 (32.5)	.005
Duration >7 d	130 (78.3)	36 (21.7)	.813
CrCl <50 mL/min	17 (63)	10 (37)	.043
Piperacillin-tazobactam	56 (71.4)	16 (28.6)	.162
Cefepime	62 (79.5)	16 (20.5)	.685
Ceftriaxone	33 (78.6)	9 (21.5)	.920
Nephrotoxic comorbidities	91(71.7)	36 (28.3)	.004

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