Table 2.

Summary of the perioperative parameters and surgical success of the two groups.

	LP; n = 22	RALP; n = 24	p-values
OT in minutes	242 ± 59	225 ± 3 9	0.25
Intraoperative cystoscopy	2/22	2/24	0.93
Aberrant crossing vessels	0/22	3/24	0.09
Participation of surgeon-in-training	7/22	12/24	0.21
Conversion to open or placement of additional ports	Nil	Nil	NA
Intraoperative complications or blood transfusion	Nil	Nil	NA
Mean number of doses of oral acetominophen per patient	3.8 ± 2.5	4.3 ± 3.2	0.55
Mean number of doses of intramuscular narcotics per patient	0.15 ± 0.50	0.04 ± 0.20	0.31
LOS in days	3.8 ± 1.3	3.0 ± 0.3	0.009
Post-operative complications (%)	4/22 (18)	3/24 (13)	0.59
Clavien Grade I – II	Prolonged ileus = 1 Stent-related UTI = 3	Stent-related UTI =2
Clavien Grade IIIb		Proximal migration of Double-J stent = 1
Operative success (%)	20/22 (91)	23/24 (96)	0.49
Mean follow-up in months	40 ± 16	23 ± 12	<0.001

LP, laparoscopic pyeloplasty; RALP, robot-assisted laparoscopic pyeloplasty; OT, operative time; LOS, length of stay; UTI, urinary tract infection; NA, not applicable.