At the end of OLT (T1), urinary [TIMP-2] × [IGFBP-7] increased to 6.22 ± 11.32 in the no AKI group (P = 0.02 versus baseline) and to 4.43 ± 7.39 in the AKI group (P = 0.009 versus baseline). Here, TIMP2 is linked to acute kidney injury.