Incidence, Severity, and Outcomes of Acute Kidney Injury in Octogenarians following Heart Valve Replacement Surgery

Table 4

Multivariate stepwise logistic regression models for predictors of postoperative AKI.

(a) Model number 1

Variables	OR (95% CI)	value
CHF	0.43 (0.21–0.88)	0.02
CKD	4.87 (2.12–12.3)	<0.001
Intraoperative fluid volume	1.10 (1.01–1.21)	0.03

(b) Model number 2

Variables	OR (95% CI)	value
CHF	0.43 (0.21–0.87)	0.02
CKD	5.38 (2.34–13.6)	<0.001
Intraoperative saline volume	1.52 (1.05–2.24)	0.02