Fig. 2

A The nomogram constructed by KP-AKI model in training cohort. As shown in the A, a 59-year-old patient upon admission with a bacterial infection and gastrointestinal bleeding, the BUN was 7.39 mmol/L and TBIL was 193.1 μmol/L, PT was 47 s and ALB was 25.8 g/L, the total point added up to 224, which represents the occurrence of HA-AKI was 76.2%. B Calibration curves in the internal training cohort. C Calibration curves in the external validation cohort. D ROC curves for several scoring systems in identified for the development of AKI