The AUCs for HJV and NGAL at three hours post-surgery were 0.687 (95% CI 0.595 to 0.779, p < 0.001) and 0.666 (95% CI 0.571 to 0.761, p = 0.001) when predicting any stage of AKI (Table 2). This evidence concerns the gene LCN2 and acute kidney injury.