Is laparoscopic hepatectomy superior to open hepatectomy for hepatocellular carcinoma?

Table 1 Propensity score studies comparing open and laparoscopic liver resection for hepatocellular carcinoma

Ref.	Country	Included period	Open/laparoscopic					P value
			Sample size, n	Minor hepatectomy, %	Single tumor, %	Perioperative morbidity, %, P value	Perioperative mortality, %, P value	Overall survival	Disease free survival
Ahn et al[12]	South Korea	2005-2013	51/51	94/96	100/100	9.8/5.9, 0.470	0/0, 1.000	0.173	0.519
Cheung et al[1]	China	2002-2015	330/110	88/90	89/91	4.8/1.8, 0.2661	1.8/0, 0.342	0.033	0.141
Han et al[13]	South Korea	2004-2013	88/88	68/65	80/76	20.4/12.5, 0.042	1.1/1.1, 1.000	0.944	0.944
Han et al[14]	South Korea	2002-2012	198/99	85/84	87/93	24.7/13.1, 0.020	-	0.086	0.701
Kim et al[15]	South Korea	2000-2012	29/29	100/100	83/97	13.8/37.9, 0.018	-	0.267	0.929
Meguro et al[17]	Japan	2003-2011	35/35	-	83/80	25.7/25.7, 1.000	-	0.672	0.954
Sposito et al[20]	Italy	2006-2013	43/43	100/100	81/86	48.8/18.6, 0.004	0/0, 1.000	0.802	0.990
Takahara et al[18]	Japan	2000-2010	387/387	79/77	-	13.0/6.7, 0.003	1.0/0.3, 0.178	0.358	0.422
Tanaka et al[19]	Japan	2007-2014	20/20	-	85/90	45.0/0, 0.001	0/0, 1.000	0.606	0.533
Yoon et al[16]	South Korea	2007-2011	174/58	88/93	100/100	22.4/6.9, 0.020	-	0.480	0.31

¹With complication of Clavien-Dindo grade IIIA or above.