Table 2.

Intra- and Post-Operative Characteristics of Robotic and Open Groups

	robotic group (N = 9,17 sides)	open group (N = 10, 20 sides)	p
Operation time/side (min)	68.5 ± 13.69	Null
Blood loss /side (ml)	< 10	Null
Lymph nodes/side	12 ± 4.2(5–21)	11 ± 5.8 (2–27)	0.84
pN stage pN0/pN1/pN2/pN3	2/2/4/1	1/1/8/0
Complication	0/17	9/20
Skin-related (side)	5/9	4/10
Lymphorrhagia (case number)	1/9	0/10
Lymphocoele (case number)	I, 8	I, 5
Clavien classification	IIIa,1	IIIa, 4 IIIb, 1
Follow up			0.536
No recurrence	6	6
Recurrence	2	4
Loss to follow-up	1	0