Clinical advantages of single port laparoscopic hepatectomy

Table 3 Comparison of results between single-port laparoscopic hepatectomy and multi-port laparoscopic hepatectomy group n (%)

Variables	SPLH	MPLH	P value
	(n = 155, 63.0%)	(n = 91, 37.0%)
Age	57.1 ± 13.3	60.8 ± 13.4	0.037
Sex (M:F)	105:50	49:42	0.040
BMI	24.1 ± 3.1	22.5 ± 2.9	< 0.001
Liver cirrhosis	51 (32.9)	31 (34.3)	0.887
CTP score	5.37 ± 0.73	5.21 ± 0.64	0.297
Malignant disease	116 (74.8)	64 (70.3)	0.459
Major operation	21 (13.5)	12 (13.3)	0.962
Operation time	136.9 ± 89.2	231.2 ± 149.7	< 0.001
Blood loss (mL)	385.1 ± 409.3	559.9 ± 624.9	0.016
RBC T/F (unit)	0.62 ± 1.98	0.79 ± 1.44	0.513
Conversion rate	35 (22.6)	18 (19.8)	0.358
Enteral feeding (d)	1.06 ± 0.27	1.63 ± 1.27	< 0.001
Hospital stay (d)	7.82 ± 2.79	7.97 ± 3.69	0.744
Disease free margin	0.84 ± 0.84	1.04 ± 1.22	0.704
Complication rate	12 (7.7)	3 (3.3)	0.397
Post op bleeding	1 (8.3)	0
Pleural effusion	4 (33.3)	1 (33.3)
Fluid accumulation	6 (50.1)	1 (33.3)
Others	1 (8.3)	1 (33.3)

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