Fig. 1

The performance of CK-MB before and after adding ACEF score and MRS in REICIN study data set. a The ROC curves of ACEF score and ACEF score + CK-MB for CI-AKI. b The ROC curves of Mehran score A and Mehran score A + CK-MB for CI-AKI. c The ROC curves of Mehran score B and Mehran score B + CK-MB for CI-AKI. d The bootstrap curve of ACEF score + CK-MB integrated model for CI-AKI. e The bootstrap curve of Mehran score A + CK-MB integrated model for CI-AKI. f The bootstrap curve of Mehran score B + CK-MB integrated model for CI-AKI. AUC area under the receiver operating characteristic curve, ROC receiver operator characteristic, CK-MB creatine kinase isoenzymes/creatine kinase-MB, MRS Mehran risk score, ACEF Age, creatinine and ejection fraction, REICIN REduction of rIsk for Contrast-Induced Nephropathy