Robotic surgery vs conventional laparoscopy for the treatment of rectal cancer: Review of the literature

Table 1 Intraoperative data

Ref.	Technique (n)		Conversion (%)			Operative time (min, mean)
	RG	LG	RG	LG	P value	RG	LG	P value
Baek et al[14]	41	41	7.3	22	NS	296	315	NS
Baik et al[15]	56	57	0	10.5	0.013	178	179	NS
Patriti et al[16]	29	37	0	19	< 0.05	202	208	NS
Bianchi et al[17]	25	25	0	4	NS	240	237	NS
Park et al[18]	41	82	0	0	NS	231.9	168.6	< 0.001
Kwak et al[19]	59	59	0	3.4	NS	270	228	< 0.0001
Baek et al[20]	154	150	NA	NA	NA	285.2	219.7	0.018
D'Annibale et al[21]	50	50	0	6	0.011	270	275	NS
Kang et al[22]	165	165	0.6	1.8	NS	309	277	< 0.001
Tam et al[23]	21	21	5	0	NS	260	240	0.04

NS: Non significant; NA: Not available; RG: Robotic group; LG: Laparoscopic group.