Fig. 3From: Comparison of three early biomarkers for acute kidney injury after cardiac surgery under cardiopulmonary bypassChanges in urinary angiotensinogen from baseline (before surgery) to 3 h after surgery. There were significant differences between the AKI group and non-AKI group. Ang angiotensinogen, AKI acute kidney injury, CPB cardiopulmonary bypassBack to article page