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

Table 3 Postoperative outcomes

Ref.	DRM (cm)			LN (n)			CRM (%)
	RG	LG	P value	RG	LG	P value	RG	LG	P value
Baek et al[14]	3.6	3.8	NS	13.1	16.2	NS	2.4	4.9	NS
Baik et al[15]	4	3.6	NS	17.5	17	NS	4	5	NS
Patriti et al[16]	2.1	4.5	NS	10.3	11.2	NS	0	0	NS
Bianchi et al[17]	2	2	NS	18	17	NS	0	4	NS
Park et al[18]	2.1	2.3	NS	14.2	17.3	NS	3.9	5.6	NS
Kwak et al[19]	2.2	2	NS	20	21	NS	1.7	0	NS
Baek et al[20]	NA	NA	NA	NA	NA	NA	NA	NA	NA
D'Annibale et al[21]	3	3	NS	13.1	16.2	NS	0	12	0.011
Kang et al[22]	1.9	2	NS	16.5	13.8	NS	4.2	6.7	NS
Tam et al[23]	3.9	5.5	NS	17	15	0.03	0	5	NS

DRM: Distal resection margin; LN: Lymph nodes harvested; CRM: Circumferential resection margin; NS: Non significant; NA: Not available; RG: Robotic group; LG: Laparoscopic group.