Table 4.

Cost of Robotic rectal surgery

Ref.	Country	Year	Study type	No. of rectal cancer patients			Average total hospitalisation cost (United States $)			P value
				Robotic	Laparoscopic	Open	Robotic	Laparoscopic	Open
Baik et al[24]	United States	2011	Comparison	41	41	-	83915	62601	-	0.092
Kwak et al[25]	South Korea	2011	Comparison	59	59	-	Robotic x3 Laparoscopic cost		NA	NA
Leong et al[26]	South Korea	2011	Case Series	29	-	-	Robotic x3 Laparoscopic cost		-	-
Kim et al[28]	South Korea	2012	Comparison	100	-	100	12-15000	5000	-	-

Rob: Robotic-assisted surgery; Lap: Conventional laparoscopic surgery; NA: Not available.