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Table 1 Demographic data

From: Single chest tube drainage is superior to double chest tube drainage after lobectomy: a meta-analysis

References Publication year Patients Age (years) Sex (male/female) Type of resection Tumor stage
Alex 2003 Group A 60 65 ± 8.4 48/12 Lobectomy I–II
Group B 60 66 ± 8.6 48/12
Gomez-Caro 2006 Group A 60 65.5 ± 9.4 9/51 Lobectomy/Bilobectomy I–IV
Group B 59 61.5 ± 9.5 7/52
Pawelczyk 2007 Group A 90 60.9 ± 9.03 64/26 Lobectomy/Bilobectomy I–IV
Group B 93 60.7 ± 8.906 54/39
Okur 2009 Group A 50 54.74 ± 14.34 37/13 Lobectomy NR
Group B 50 56.34 ± 11.52 43/7
Tanaka 2014 Group A 54 66.8 ± 7.5 38/16 Lobectomy/Bilobectomy I–IV
Group B 54 67.7 ± 8.0 32/22
  1. Abbreviations: Group A single chest tube, Group B double chest tube, NR not reported