Clinical advantages of single port laparoscopic hepatectomy

Table 4 Comparison of results between single-port laparoscopic hepatectomy and multi-port laparoscopic hepatectomy group in left hepatectomy and left lateral sectionectomy n (%)

Variables	SPLH	MPLH	P value
	(n = 46, 59.7%)	(n = 31, 40.3%)
Age	59.0 ± 11.1	62.0 ± 9.9	0.223
Sex (M:F)	26:20	16:15	0.816
BMI	23.3 ± 2.8	22.7 ± 2.5	0.337
Liver cirrhosis	9 (19.6)	4 (12.9)	0.525
CTP score	5.44 ± 0.81	5.20 ± 0.56	0.355
Malignant disease	27 (58.7)	12 (38.7)	0.106
Operation time	177.9 ± 114.6	277.6 ± 140.6	0.003
Blood loss (mL)	389.0 ± 270.0	576.9 ± 298.1	0.013
RBC T/F (unit)	0.38 ± 0.9	0.83 ± 0.9	0.094
Conversion rate	15 (32.6)	8 (25.8)	0.616
Enteral feeding (d)	1.08 ± 0.35	1.61 ± 0.89	< 0.001
Hospital stay (d)	9.08 ± 3.21	9.36 ± 3.19	0.738
Disease free margin (cm)	1.17 ± 0.99	1.67 ± 1.92	0.354
Complication rate	4 (8.7)	1 (3.2)	0.402
Post op bleeding	1 (25.0)
Pleural effusion	0
Fluid accumulation	2 (50.0)
Others	1 (25.0)	1 (100)

SPLH: Single-port laparoscopic hepatectomy; MPLH: Multi-port laparoscopic hepatectomy; BMI: Body mass index; CTP: Child-Turcotte-Pugh; T/F: Transfusion.