Systematic review and meta-analysis of video-assisted thoracoscopic surgery segmentectomy versus lobectomy for stage I non–small cell lung cancer

Table 1 Summary of the 12 studies included in the meta-analysis

First author	Study type	Region	Research period	Clinical stage	Staging procedures	Surgery		Outcomes reported	Quality score
First author	Study type	Region	Research period	Clinical stage	Staging procedures	VATS segmentectomy	VATS lobectomy	Outcomes reported	Quality score
Hwang [10]	Retrospective	Korea	2015	AIS IA IB	CT	94	94	(1) (2) (3) (5) (6) (8)(9)	9
Echavarria [11]	Retrospective	USA	2016	I	Unknown	43	208	(3) (4) (5) (6) (7) (8)	8
Landreneau [12]	Retrospective	Australia	2014	IA IB	Unknown	170	170	(1) (2)	8
Nakamura [13]	Retrospective	Japan	2011	I	Unknown	38	289	(2)	7
Roman [14]	Retrospective	UK	2019	IA IB	All CT and PET	40	44	(2)	8
Shapiro [15]	Retrospective	USA	2009	IA IB	All CT and partial PET	31	113	(1) (2) (3) (6) (7) (8)	7
Song [16]	Retrospective	Japan	2018	IA	All CT and 87.7% PET	41	41	(1) (3) (4) (5) (6) (7) (8) (9)	9
Soukiasian [17]	Retrospective	USA	2012	IA IB	Unknown	73	266	(2) (3) (7)	7
Tsubokawa [18]	Retrospective	Japan	2018	IA IB	All CT and PET	52	44	(1) (2) (3) (4) (9)	7
Wang [19]	Retrospective	China	2013	IA IB	All CT and PET	5	14	(4) (6)	7
Yamashita [20]	Retrospective	Japan	2012	IA	CT	90	124	(1) (2) (4) (5) (8) (9)	8
Zhong [21]	Retrospective	China	2012	IA	CT and partial PET	39	81	(1) (2) (3) (4) (5)(6) (7) (8) (9)	7

Abbreviations: (1) Disease-free survival, (2) overall survival, (3) postoperative complications, (4) perioperative blood loss, (5) operation time, (6) hospital stay, (7) air leak (> 5 days), (8) in-hospital mortality, (9) number of dissected lymph nodes, VATS video-assisted thoracoscopic surgery

ISSN: 1477-7819