Table 2. Spearman correlation coefficients of netrin with clinical characteristics.

	Age	Percent Changein Serum Creatinine	Surgery Time	Hospital Length of Stay	Days AKI
Baseline	0.20	0.10	0.01	−0.08	0.19
2 h	0.30a	0.15	−0.04	0.04	0.21
6 h	0.32a	0.08	0.11	0.02	0.09
24 h	0.08	0.03	0.03	−0.15	0.12

^a P≤0.05.