Table 2.

Intergroup comparison of differential renal function between the study groups at different time intervals

Renogram timing	Study group	n	Mean±SD (%)	Range (%)	P
Preoperative	Group 1	26	7.58±2.39	4–10	<0.001*
	Group II	54	20.81±5.68	11–30
3 months	Group 1	26	23. 20±13.36	14–52	0.04*
	Group II	54	29.72±9.66	13–54
12 months	Group 1	26	26.57±5.80	19–35	0.006*
	Group II	54	34.73±7.20	21–53
24 months	Group 1	26	29.71±5.16	24–36	0.01*
	Group II	54	37.25±7.11	25–54

SD: Standard deviation, *significant p < 0.05