Meta-analysis of segmentectomy versus lobectomy for radiologically pure solid or solid-dominant stage IA non-small cell lung cancer

Table 1 Characteristics of included articles for meta-analysis

Authors	year	Study type	Clinical Stage	Tumor size	Segmentectomy(n)	Lobectomy(n)	consolidation/tumor ratio (CTR)
Nishio [16]	2016	Retrospective	IA	≤2 cm	118	72	>0.5
Hattori(1) [18]	2015	Retrospective	IA	2<T ≤ 3 cm	31	123	0.5 ≤ CTR<1.0
Hattori(2) [17]	2016	Retrospective	IA	≤2 cm	83	270	CTR ≥ 0.5
					54	87	0.5 ≤ CTR<1.0
					29	183	CTR = 1.0
Koike [19]	2016	Retrospective	IA	≤2 cm	87	87	CTR = 1.0
Tsubokawa [20]	2018	Retrospective	IA	≤2 cm	52	44	CTR = 1.0
Tsutani [21]	2014	Retrospective	IA	≤3 cm	41	286	CTR ≥ 0.5
					28	154	0.5 ≤ CTR<1.0
					13	132	CTR = 1.0
Handa [22]	2017	Retrospective	IA	≤3 cm	29	105	>0.5

ISSN: 1749-8090