Benefit of laparoscopic liver resection in high body mass index patients

Table 1 Comparison of patients’ characteristics and surgical outcomes n (%)

	LLR (n = 39)	OLR (n = 29)	P value
Age (yr)	69.4 ± 10.2	68.3 ± 8.1	NS
Sex (Male/Female)	26/13	22/7	NS
HBV	6 (15.4)	4 (13.8)	NS
HCV	19 (48.7)	13 (44.8)	NS
Diagnosis
Hepatocellular carcinoma	33 (84.6)	22 (75.9)
Intrahepatic cholangiocarcinoma	2 (5.1)	1 (3.4)
Metastatic liver tumor	2 (5.1)	6 (20.7)
Hemangioma	2 (5.1)	0
Body mass index (kg/m2)	24.1 ± 4.1	23.9 ± 3.9	NS
Tumor size (mm)	27.3 ± 14.5	27.6 ± 11.6	NS
Surgical outcome
Operation time (min)	226.1 ± 117.2	292.8 ± 86.7	0.009
Blood loss (mL)	109.3 ± 162.0	406.9 ± 425.6	0.001
Postoperative hospital stay (d)	12.8 ± 10.4	23.6 ± 30.1	0.042
Overall morbidity	4 (10.2)	7 (24.1)	NS
Grade I	0	1
Grade II	3	4
Grade III (a/b)	1/0	1/1
Grade IV	0	0
Grade V	0	0
Bile leakage	1 (2.7)	2 (6.9)	NS

LLR: Laparoscopic liver resection; OLR: Open liver resection.