Group

BUN (mmol/l)

Scr (umol/l)

Before treatment

After treatment

Before treatment

After treatment

Study group (n = 42)

20.53 ± 2.90

10.14 ± 2.42^a

550.44 ± 44.25

202.61 ± 22.91^a

Control group (n = 42)

20.90 ± 3.50

14.65 ± 2.43^a

556.34 ± 48.65

217.73 ± 23.01^a

t value

0.533

8.520

0.581

3.017

P value

0.596

<0.001

0.563

0.003