Multivariate logistic regression, which included all variables with P < 0.10 in univariate logistic regression, identified LVEF (OR = 0.931, 95% CI: 0.900–0.964), FBG (OR = 1.105, 95% CI: 1.019–1.198), NT-proBNP (OR = 1.401, 95% CI: 1.132–1.735), and caIMR (OR = 1.072, 95% CI: 1.051–1.094) as independent predictors of CI-AKI. Here, NPPB is linked to acute kidney injury.