Fig. 2From: Urinary TIMP-2 and IGFBP7 for the prediction of acute kidney injury following cardiac surgeryMean [TIMP-2]•[IGFBP7] values in patients who developed AKI and those who did not. Times post-surgery are relative to ICU admission. Error bars show standard error. *p < 0.05, **p < 0.001Back to article page