Table 1.

Comparison of renal function

Time	Creatinine (umol/L)	Urea Nitrogen (mmol/L)	Creatinine Clearance (ug/min)
Before treatment	115.13±21.13	8.99±0.91	120.74±22.74
After treatment	89.14±11.70	4.10±0.77	82.11±13.45
T	1.235	2.567	5.886
P	0.001	0.002	0.004