Our prior investigation revealed that both urinary [TIMP-2]•[IGFBP7] and CCL14 have useful predictive value for renal non-recovery from AKI in such patients; however, CCL14 did not demonstrate a significant advantage over [TIMP-2]•[IGFBP7] in forecasting renal non-recovery [15]. This evidence concerns the gene IGFBP7 and acute kidney injury.