Perioperative outcomes of robotic versus laparoscopic distal gastrectomy for gastric cancer: a meta-analysis of propensity score-matched studies and randomized controlled trials

Table 1 Characteristics of included studies

Author year	Design	Study period	Volume		Age (mean ± SD)		LND	Reconstruction
Author year	Design	Study period	RDG	LDG	RDG	LDG	LND	Reconstruction
Hong et al. 2016	PSM	2008–2015	232	232	53.7 ± 11.5	55.0 ± 13.0	D1, D1 + , D2	BI, BII, RY
Li et al. 2018	PSM	2013–2017	66	66	55.2 ± 11.6	54.1 ± 11.4	D2	BI, BII
Li et al. 2020	PSM	2010–2019	516	516	54.63 ± 11.85	55.10 ± 10.24	D1, D2	BI, BII
Roh et al. 2020	PSM	2015–2017	51	51	58.1 ± 10.8	58.0 ± 11.1	D1 +	BI, BII
Song et al. 2020	PSM	2016–2019	40	40	56.4 ± 12.8	58.1 ± 11.6	D2	BI, BII, RY
Ye et al. 2020	PSM	2014–2019	285	285	57.1 ± 8.3	57.0 ± 8.6	D2	BI, BII, RY
Isobe et al. 2021	PSM	2018–2020	50	50	69.2 ± 1.4	69.3 ± 1.4	D1, D1 + , D2	BI, BII, RY
Lu et al. 2021	RCT	2017–2020	141	142	59.4 ± 10.2	59.3 ± 11.3	D1 + , D2	BI, BII

ISSN: 1471-2482