Table 5. Comparison between studied cases according to perioperative complications according to the modified Clavien-Dindo calcification.

P: p-value for comparing between the studied groups

Variables	Group 1 (n = 35)		Group 2 (n = 35)		Test of Sig.	P-value
	No.	%	No.	%
Overall complications rate (number of patients who have complications)	11	31.4	23	65.7	8.235	0.004
Grade 1
Postoperative pain	5	14.3	9	25.7	1.429	0.233
Postoperative fever	0	0.0	1	2.9	1.014	0.316
Postoperative transient rise in serum creatinine	6	17.1	11	31.4	1.942	0.164
Grade 2
Hematuria needs a blood transfusion	0	0.0	4	11.4	4.242	0.039
Grade 3 Extravasation	2	5.7	2	5.7	0.0	1.0
Grade 4	0	0.0	0	0.0	0.0	1.0
Grade 5	0	0.0	0	0.0	0.0	1.0