Evaluation of Four eGFR Calculating Formulae in Predicting Postoperative Acute Kidney Injury in Adult Patients Undergoing Open-Heart Surgery with Cardiopulmonary Bypass

Table 3

The expression of serum creatinine during the perioperative period.

	Basic	Surgery day	1 day after surgery	2 days after surgery	7 days after surgery
Non-AKI	73.37 (18.68)	70.85 (18.17)	79.03 (21.98)	78.25 (25.71)	69.66 (27.66)
AKI	83.65 (26.47)	89.31 (28.11)	127.04 (48.17)	143.03 (66.02)	135.43 (108.82)
t	−4.06	−7.00	−11.39	−10.99	−7.22
value	<0.001	<0.001	<0.001	<0.001	<0.001