Univariate logistic regression analysis showed that IBI > 18.89, NLR, lymphocyte count, LVEF, eGFR, CRP, FBG, Killip class >2, IRA- LAD, diabetes, and NT-proBNP were associated with the occurrence of CI-AKI during hospitalization (P < 0.05) (Supplementary Table S3). This evidence concerns the gene CRP and acute kidney injury.