SCr and BUN at 1 week after treatment were significantly decreased in treatment group ( SCr : 94.2388.31 mol/L vs. 104.9998.37 mol/L , t = 2.921 , P = 0.003 ; BUN : 9.468.24 mmol/L vs. 11.878.65 mmol/L , t = 2.611 , P = 0.010 ) .