Table 1.

Mean values of creatinine serum level and FENa

	1 day	3 days	15 days	30 days
Creatinine (mg/dl)
Group A	9.02 ± 1.17	6.53 ± 0.53	6.43 ± 2.6	2.52 ± 1.34
Group B	11 ± 1.23	8.71 ± 0.71	9.22 ± 0.22	7.37 ± 4.15
FeNa (%)
Group A	1.43 ± 1.16	1.37 ± 0.53	0.85 ± 0.39	0.92 ± 3.17
Group B	1.66 ± 0.58	1.50 ± 0.58	1.36 ± 0.72	1.32 ± 0.71