Comparison efficacy and safety of total laparoscopic gastrectomy and laparoscopically assisted total gastrectomy in treatment of gastric cancer

Table 1 Basic information of included literature

Ref.	Countries	Sample size		Age (yr, mean ± SD)		Body mass index (kg/m²), mean ± SD)		NOS score
		TLTG group	LATG group	TLTG group	LATG group	TLTG group	LATG group
Kim et al[4], 2013	South Korea	90	23	58.0 ± 10.8	56.8 ± 14.2	23.2 ± 2.9	22.2 ± 1.8	7
Kim et al[5], 2016	South Korea	27	29	60.8 ± 9.1	59.3 ± 13.1	24.0 ± 2.9	23.3 ± 3.2	7
Chen et al[6]	China	108	145	59.4 ± 11.1	57.3 ± 12.5	23.5 ± 3.5	23.1 ± 4.2	8
Gong et al[7], 2017	South Korea	421	266	57.78 ± 11.2	55.69 ± 11.96	/	/	7
Huang et al[8], 2017	China	51	456	55.5 ± 12.1	61.6 ± 11.2	22.5 ± 13.1	22.3 ± 13.5	7
Lu et al[9], 2016	China	25	25	59+8.9	58.4 ± 7.7	22.5 ± 2.5	22.9 ± 3.7	8
Cui et al[10]	China	16	47	61.3 ± 13.	67.6+13	22.8 ± 1.2	23.2+1.3	8
Hong et al[11], 2017	China	183	190	58 ± 11	60 ± 10	23 ± 3	22 ± 3	8
Hua et al[12], 2017	China	47	47	48.51 ± 2.47	48.67 ± 2.51		/	7
Xiao et al[13], 2015	China	30	32	/	/		/	6
Ito et al[14], 2014	Japan	117	46			/	/	6

TLTG: Totally laparoscopic total gastrectomy; LATG: Laparoscopic-assisted total gastrectomy; NOS: Newcastle-Ottawa Scale.