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ROC curve of CI-AKI predicted by SII, hsCRP and combined index. The receiver operating characteristic curve of SII combined with hsCRP was 0.831, which was higher than SII or hsCRP alone.
Abbreviations: ROC, receiver operating characteristic; AUC, area under the ROC curve; CI-AKI, contrast-induced acute kidney injury; SII, Systemic immune-inflammation index; hsCRP, high-sensitivity C-reactive protein.
