Group

Urea nitrogen

Creatinine

Endogenous creatinine clearance

β2 globulin

Uric acid

Cystatin C

Prior treatment

4.42 ± 1.92

70.97 ± 16.92

88.37 ± 21.07

1.67 ± 0.61

359.90 ± 112.82

0.92 ± 0.24

One month after treatment

3.77 ± 1.37

70.46 ± 16.71

87.78 ± 20.63

1.75 ± 0.64

332.53 ± 91.48

0.92 ± 0.24

t value

7.2598

0.5650

0.5271

2.3837

4.9641

0.0000

P value

0.0000

0.2861

0.2991

0.0086

0.0000

0.5000