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Table 1 Characteristics of the included clinical trials

From: Video-assisted thoracoscopic surgery versus muscle-sparing thoracotomy for non-small cell lung cancer: a systematic review and meta-analysis

Study Year Country Study design Gender (M/F) Sample size
VATS/MST
Staging Propensity score matching Quality assessment
Giudicelli 1994 France Prospective 50/17 44/23 Pathologic Stage I to stage IV Unmatched NOS: 6
Kirby 1995 USA RCT 26/35 30/31 Clinical stage I Unmatched Jadad: 1
Nomori 2001 Japan Prospective 44/22 33/33 Clinical stage I Unmatched NOS: 8
Wang 2010 China Retrospective 175/141 121/195 Pathologic Stage I to stage IV Unmatched NOS: 6
Ilonen 2013 Finland Retrospective 125/107 116/116 Clinical stage I Matched NOS: 7
Erus 2014 Turkey Prospective 35/20 25/30 Clinical stage I Unmatched NOS: 8
Kuritzky 2015 USA Retrospective 45/75 60/60 Clinical stage I Matched NOS: 8
Usuda 2017 Japan Retrospective 46/41 25/62 Clinical Stage I to stage III Unmatched NOS: 6
Zhao 2017 China Retrospective 250/232 241/241 Clinical stage I Matched NOS: 8
Menna 2018 Italy Retrospective 18/10 16/12 Clinical Stage I Unmatched NOS: 7
  1. Abbreviations: non-RCT non-randomized controlled trial, RCT randomized controlled trial, VATS video-assisted thoracoscopic surgery, MST muscle-sparing thoracotomy, NOS Newcastle-Ottawa Scale