Table 4.

Variation in Serum Creatinine Levels and Creatinine Clearance Rates (CKD-EPI) throughout the Study.

Variable	Time	Mean	SD	Median	Minimum	Maximum	N	p
Creatinine	Preoperative period	3.05	1.61	2.76	1.34	6.88	22	<0.001
	Immediate postoperative period	2.56	1.49	2.01	1.27	7.59	22
	30 days	1.73	0.47	1.78	0.89	3.03	21
	60 days	1.78	0.59	1.68	0.67	2.94	20
	90 days	1.62	0.53	1.68	0.65	3.03	21
	End of follow-up	1.67	0.68	1.68	0.80	3.49	22
CKD-EPI	Preoperative period	28.39	17.18	23.26	7.48	68.15	22	<0.001
	Immediate postoperative period	33.49	15.64	31.84	6.93	63.00	22
	30 days	44.92	15.06	40.85	21.47	76.57	21
	60 days	46.71	20.78	42.41	23.62	103.90	20
	90 days	51.41	23.38	41.11	21.47	107.78	21
	End of follow-up	51.91	21.71	45.50	18.00	100.00	22

Bonferroni correction.