Table 3.

ROC-AUC of Klotho, SCr, SCr/Kl and cys-C after cardiac surgery

	0 h	4 h	1 d	2 d	3 d
Klotho (95% CI)	0.806 (0.656, 0.948)	0.753 (0.587, 0.916)	0.651 (0.474, 0.849)	0.641 (0.461, 0.840)	0.612 (0.412, 0.812)
P-value	0.003	0.013	0.150	0.132	0.305
SCr (95% CI)	0.875 (0.759, 0.911)	0.911 (0.812, 1.010)	0.893 (0.791, 0.995)	0.859 (0.737, 0.980)	0.826 (0.685, 0.966)
P-value	0.001	0.001	0.001	0.001	0.001
SCr/Kl (95% CI)	0.924 (0.831, 1.018)	0.888 (0.780, 0.997)	0.901 (0.801, 1.002)	0.845 (0.718, 0.973)	0.822 (0.678, 0.967)
P-value	0.001	0.001	0.001	0.001	0.001
Cys-C (95% CI)	0.742 (0.573, 0.911)	0.862 (0.742, 0.982)	0.969 (0.969, 1.019)	0.972 (0.926, 1.018)	0.944 (0.868, 1.021)
P-value	0.015	0.01	0.01	0.01	0.01