Table 3.

Comparison of complication rate between hydrodissection and control group.

	Hydrodissection group	Control group	P
Patients	66	65	—
Major complications, n(%)
Liver abscess	2 (3.0)	0	0.496
Biliary injury	0	1 (1.5)	0.496
Minor complications, n(%)
Abdominal pain	7 (10.6)	5 (7.7)	0.763
Fever	6 (9.1)	4 (6.2)	0.527
Gastrointestinal symptoms	3 (4.5)	5 (7.7)	0.492
Minimal pleural effusion	0	1 (1.5)	0.496
Transient liver dysfunction	1 (1.5)	2 (3.1)	0.619
Asymptomatic biloma	0	2 (3.1)	0.244