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Table 1 Characteristics of included articles for meta-analysis

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

AuthorsyearStudy typeClinical StageTumor sizeSegmentectomy(n)Lobectomy(n)consolidation/tumor ratio (CTR)
Nishio [16]2016RetrospectiveIA≤2 cm11872>0.5
Hattori(1) [18]2015RetrospectiveIA2<T ≤ 3 cm311230.5 ≤ CTR<1.0
Hattori(2) [17]2016RetrospectiveIA≤2 cm83270CTR ≥ 0.5
54870.5 ≤ CTR<1.0
29183CTR = 1.0
Koike [19]2016RetrospectiveIA≤2 cm8787CTR = 1.0
Tsubokawa [20]2018RetrospectiveIA≤2 cm5244CTR = 1.0
Tsutani [21]2014RetrospectiveIA≤3 cm41286CTR ≥ 0.5
281540.5 ≤ CTR<1.0
13132CTR = 1.0
Handa [22]2017RetrospectiveIA≤3 cm29105>0.5