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Table 1 Characteristics and demographics of included studies

From: Is minimally invasive esophagectomy effective for preventing anastomotic leakages after esophagectomy for cancer? A systematic review and meta-analysis

Study Year Country Design Cases ALs MINORS Adeno. % Anastomosis
     MIE OE MIE OE    Location Procedures
Smithers BM [42] 2007 Australia P 23 114 1 10 20 70.6 Cervical Hand-sewn
Kunisaki C [43] 2004 Japan P 15 30 2 1 16 NA Intrathoracic Stapler
Law S [58] 1997 China NA 18 63 0 2 16 NA Cervical Hand-sewn
Nguyen NT [24] 2000 USA R 18 36 2 4 16 NA Cervical Stapler and hand-sewn
Kubo N [25] 2014 Japan R 93 74 6 7 16 NA Cervical Unknown
Osugi H [44] 2003 Japan P 72 77 1 2 20 0 Cervical Unknown
Van den Broek WT [62] 2004 Netherlands NA 19 14 2 3 19 71.1 Cervical Hand-sewn
Braghetto I [26] 2005 Chile R 47 60 3 10 20 NA Cervical Hand-sewn
Benzoni E [45] 2006 Italy P 9 13 1 1 20 23.8 Cervical Hand-sewn
Fabian T [27] 2006 USA R 51 24 3 3 20 69.2 Cervical and intrathoracic Unknown
Shiraishi T [28] 2006 Japan R 78 37 9 9 16 NA Cervical Unknown
Bresadola V [64] 2007 Italy NA 22 43 1 2 16 NA Cervical Hand-sewn
Perry KA [46] 2009 USA P 21 21 4 6 16 45.2 Cervical Unknown
Parameswaran R [60] 2009 UK NA 50 30 4 1 19 82.5 Cervical Stapler
Kitagawa H [54] 2009 Japan NA 16 10 1 2 20 NA Cervical Hand-sewn
Zingg U [63] 2009 Australia NA 56 98 11 11 20 72.1 Cervical Hand-sewn
Saha AK [61] 2009 UK NA 16 28 2 3 19 16+ Cervical Stapler and hand-sewn
Hamouda AH [47] 2010 UK P 24 51 3 0 16 80 Intrathoracic Hand-sewn
Wang H [59] 2010 China NA 27 29 5 4 16 5.3 Cervical Unknown
Schoppmann SF [48] 2010 Australia P 31 31 1 8 20 46.8 Cervical Hand-sewn
Pham TH [14] 2010 USA P 44 46 4 5 16 74.4 Cervical and intrathoracic Stapler
Safranek PM [49] 2010 UK P 41 46 7 1 16 NA Cervical Stapler and hand-sewn
Tsujimoto H [29] 2010 Japan R 20 37 1 5 16 NA Cervical and intrathoracic Stapler and hand-sewn
Schröder W [30] 2010 Germany R 238 181 18 17 16 60.1 Intrathoracic Stapler
Berger AC [56] 2011 USA NA 65 53 9 6 16 79.7 Cervical Stapler
Yamasaki M [57] 2011 USA NA 109 107 6 4 16 79.7 Cervical Stapler
Gao Y [31] 2011 China R 96 78 7 6 16 5.2 Cervical Hand-sewn
Lee JM [50] 2011 Japan P 30 64 2 18 20 5.1 Cervical Stapler and hand-sewn
Nafteux P [32] 2011 Belgium R 65 101 5 10 16 75.3 Cervical Unknown
Sundaram A [33] 2012 USA R 47 57 4 4 20 78.8 Cervical Unknown
Sihag S [51] 2012 USA P 38 76 0 2 16 85.1 Intrathoracic Stapler
Maas KW [34] 2012 Netherlands R 50 50 4 3 20 69 Cervical Hand-sewn
Kinjo Y [52] 2012 Japan P 106 79 8 10 19 3.2 Cervical Unknown
Tsujimoto H [35] 2012 Japan R 22 27 7 3    Cervical and intrathoracic Stapler
Biere SS [15] 2013 Netherlands RCT 59 56 7 4 18 61.7 Cervical and intrathoracic Stapler
Noble F [53] 2013 UK P 53 53 5 2 19 NA Cervical and intrathoracic Stapler
Ichikawa H [55] 2013 Japan NA 153 162 14 27 20 66.7 Cervical and intrathoracic Hand-sewn
Mu J [36] 2014 China R 176 142 12 4 16 NA Cervical Stapler
Kauppi J [37] 2014 Finland R 74 79 7 6 18 NA Intrathoracic Hand-sewn
Meng F [38] 2014 China R 94 89 6 7 18 3.2 Cervical Hand-sewn
Zhang J [39] 2014 China R 60 61 3 2 16 NA Intrathoracic Stapler
Li J [40] 2014 China R 89 318 19 45 20 2.2 Cervical and intrathoracic Stapler and hand-sewn
Javidfar J [41] 2012 USA R 92 165 5 7 18 91 Cervical Unknown