Table 6.

Characteristics of included studies

Ref.	No. of patients		Child-Pugh score A			Solitary tumour			Mean tumour size (cm)
	LLR	OLR	LLR n (%)	OLR n (%)	P value	LLR n (%)	OLR n (%)	P value	LLR	OLR	P value
Shimada et al[10]	17	38	-	-	-	-	-	-	2.6 ± 0.9	2.5 ± 1.0	0.89
Laurent et al[11]	13	14	13 (100.0)	14 (100.0)	0.49	-	-	-	3.35 ± 0.89	3.43 ± 1.05	0.48
Kaneko et al[12]	30	28	22 (73.3)	22 (57.9)	NS	-	-	-	3.0 ± 0.8	3.1 ± 0.9	NS
Sarpel et al[13]	20	56	-	-	-	-	-	-	4.3 ± 2.1	4.3 ± 2.2	0.876
Lai et al[14]	25	33	23 (92.0)	31 (93.9)	0.90
Belli et al[15]	54	125	49 (90.7)	117 (93.6)	0.499	44 (81.5)	96 (76.8)	0.486	3.8 ± 1.3	6.0 ± 2.3	0.006
Endo et al[16]	10	11	10 (100.0)	7 (63.6)	NS	9 (90.0)	10 (90.9)	NS	3.0 ± 1.5	4.1 ± 0.8	NS
Aldrighetti et al[17]	16	16	9 (56.2)	9 (56.2)	NS	-	-	-	4 ± 2.2	4.6 ± 2.5	NS
Tranchart et al[18]	42	42	30 (71.4)	33 (78.6)	-	-	-	-	3.58 ± 1.75	3.68 ± 2.09	0.95
Ker et al[19]	116	209	98 (84.5)	197 (94.3)	0.08	-	-	-	2.5 ± 1.2	5.4 ± 3.5	0.001
Kim et al[20]	26	29	-	-	-	-	-	-	-	-	-
Truant et al[21]	36	53	32 (88.9)	47 (88.7)	1	34 (94.4)	44 (83.0)	0.2	2.9 ± 1.2	3.1 ± 1.2	0.5
Hu et al[22]	30	30	29 (96.7)	24 (80.0)	NS	-	-	-	6.7 ± 3.1	8.7 ± 2.3	NS
Lee et al[23]	33	50	33 (100.0)	50 (100.0)	NS	31 (93.9)	41 (82.0)	0.186	-	-	-
Cheung et al[24]	32	64	32 (100.0)	60 (93.8)	0.367	-	-	-	-	-	-
Kim et al[25]	70	76	-	-	-	-	-	-	2.58 ± 1.44	2.45 ± 1.27	0.550
Kim et al[26]	29	29	28 (96.6)	29 (100.0)	0.317	24 (82.8)	28 (96.6)	0.103	3.59 ± 2.17	4.28 ± 2.55	0.278
Our reports	42	110	42 (100.0)	103 (93.6)	0.094	37 (88.1)	91 (82.7)	0.469	3.85 ± 2.60	7.15 ± 4.88	< 0.001

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