Table 3.

Multivariate logistic regression analysis of risk factors for CS-AKI in the unmatched Cohort

	OR	95% CI	P-value
Age	1.036	1.029–1.042	<  0.001
Male	1.873	1.622–2.164	<  0.001
BMI	1.035	1.016–1.055	<  0.001
Elevated RDW	1.302	1.209–1.401	<  0.001
BUN	1.076	1.041–1.112	<  0.001
SUA	1.002	1.001–1.003	<  0.001
CPB time (every 30 min)	1.627	1.491–1.775	<  0.001

AKI acute kidney injury, BMI body mass index, RDW red cell distribution width, BUN blood urea nitrogen, SUA serum uric acid, CPB cardiopulmonary bypass