ANGPT2 and acute kidney injury: Ang2 increased over time in both groups (control: from 3.0 ± 2.4 ng/mL tot 6.7 ± 2.4 ng/ml; AKI: from 4.2 ± 3.0 ng/mL to 11.6 ± 7.6 ng/ml) (P = 0.013).