Table 3.

Surgical results

	LP*	OP*	P values
Clinical improvement	93.3% (28/30)	95% (59/62)	0.258
Appearance or upturn in the excretion of con-trast in IVU	90% (27/30)	91% (56/62)	0.156
Diuretic renography values at 2 years Functional uptake ratio	44.80 %	42.17 %	0.247
Spontaneous excretion	35.14 %	34.54 %	0.547
Furosemide excretion	51.60 %	50.23 %	0.854
Total excretion	52.20 %	50.52 %	0.456
Excretion time	2.95 mins	3.38 mins	0.098

^*(% n/total)