Table 6.

Comparison of laparoscopic and robotic minor liver resections regarding perioperative outcomes in patients with colorectal liver metastasis as a subgroup analysis

	Minor LLS n (% or SD)	Minor RLS n (% or SD)	p value
Total	10	7
Operating timea (min)	175.1 (90.8)	292.0 (83.5)	0.017
LOS (days)	8.0 (3.6)	7.0 (2.2)	0.669
MBL (ml)	226.0 (247.0)	342.9 (280.5)	0.270
Overall morbidity	2 (20.0)	1 (14.3)	1.000
Liver surgery related morbidity	0 (0.0)	0 (0.0)	–
R status
R0	9 (90.0)	7 (100.0)	1.000
R1	1 (10.0)	0 (0.0)

MBL measured blood loss, LLS laparoscopic liver surgery, LOS length of postoperative stay, RLS robotic liver surgery, SD standard deviation

^aThe operating time in the robotic group is excluding the docking time