CRP and acute kidney injury: Recently, the occurrence and prognosisof some inflammatory indicators in CI-AKI patients have also been proven [11, 12, 13, 14].High-sensitivity C-reactive protein to high-density lipoproteincholesterol ratio (CHR) is a new laboratory parameter related to inflammation.According to recent research, CHR is a reliable indicator of the presence andseverity of coronary artery disease (CAD) and functions as an independent predictor of severe CAD [15].However, the association between CHR and CI-AKI remains uncertain.