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Ziogas et al. Mini-invasive Surg 2020;4:69 I http://dx.doi.org/10.20517/2574-1225.2020.63 Page 3 of 11

Table 1. Previously published reports on robotic major hepatectomy
Robotic major hepatectomy
Total number of
Author Country/region Study period Left Right
robotic cases Total major
hepatectomy hepatectomy
Giulianotti et al. [72] 2011 Italy & USA Mar 2002-Mar 2009 70 27 5 20
Ji et al. [83] 2011 China Apr 2009-Jul 2009 13 9 6 2
Tsung et al. [20] 2014 USA Nov 2007-Dec 2011 57 21 n/a n/a
Spampinato et al. [94] 2014 Italy Jan 2009-Dec 2012 25 25 7 16
Yu et al. [105] 2014 South Korea May 2010-Oct 2011 13 3 3 0
Wu et al. [22] 2014 Taiwan Jan 2012-Dec 2012 52 14 0 0
Felli et al. [23] 2015 Italy Apr 2013-May 2014 20 2 2 0
Lee et al. [24] 2016 China Sep 2010-Jan 2015 70 14 10 4
Kingham et al. [25] 2016 USA 2010-2014 64 6 4 2
Lai et al. [26] 2016 China May 2009-Feb 2015 100 27 6 20
Lee et al. [27] 2016 China Sep 2010-Apr 2015 15 5 3 2
Sham et al. [28] 2016 USA May 2011-Dec 2014 71 17 n/a n/a
Chen et al. [29] 2016 Taiwan May 2013-Aug 2015 13 13 0 13
Chen et al. [30,31] 2017 Taiwan Jan 2012-Oct 2015 183 92 32 41
Quijano et al. [32] 2017 Spain Oct 2010-Apr 2016 21 5 2 1
Magistri et al. [33] 2017 Italy Jan 2012-May 2016 22 2 0 2
Efanov et al. [34] 2017 Russia May 2010-Jun 2016 40 2 2 0
Daskalaki et al. [35] 2017 USA Jan 2009-Dec 2013 68 29 2 21
Choi et al. [36] 2017 South Korea Dec 2008-May 2016 70 54 27 12
Khan et al. [37] 2018 International 2006-2016 61 16 8 8
Goja et al. [38] 2019 India Feb 2015-Jan 2016 21 6 3 3
Lim et al. [39] 2019* France 2011-2017 61 (55) 9 (4) n/a n/a
Marino et al. [40] 2019 Italy Apr 2016-Mar 2017 14 14 0 14
Marino et al. [41] 2019 Italy Apr 2015-May 2017 35 35 35 0
Fruscione et al. [42] 2019 USA 2011-2016 57 57 20 20
Gravetz et al. [43] 2019 USA 2013-2017 33 8 n/a n/a
Magistri et al. [44] 2019 Italy Jul 2014-Sep 2017 60 3 1 2
Lee et al. [45] 2019 South Korea Jun 2016-Apr 2018 13 8 8 0
Mejia et al. [46] 2020 USA Aug 2013-Sep 2018 43 8 4 4
Sucandy et al. [47] 2020 USA 2013-2018 80 24 14 6
Beard et al. [48] 2020* International Jan 2008-Oct 2016 115 17 6 9
*Numbers in parentheses represent the number of cases after propensity score-matching. n/a: not available

Table 2. Previously published reports on laparoscopic major hepatectomy
Total number Laparoscopic major hepatectomy
Author Country/region Study period of laparoscopic Left Right
cases Total major hepatectomy hepatectomy
Huscher et al. [14] 1997 Italy 1993-Dec 1995 20 14 6 5
Gigot et al. [49] 2002 Europe Feb 1994-Dec 2000 37 2 n/a n/a
O’Rourke et al. 2004 Australia Nov 1999-Sep 2002 12 12 0 12
[6]
Dulucq et al. [50] 2005 France Jan 1995-Jan 2004 32 11 4 6
Vibert et al. [51] 2006 France Jan 1995-Dec 2004 89 38 3 27
Topal et al. [52] 2007 Belgium n/a 2 2 0 2
Gayet et al. [53] 2007 France n/a 41 41 0 37
Koffron et al. [12] 2007 USA Jul 2001-Nov 2006 300 119 47 64
Dagher et al. [54] 2007 France Feb 1999-Jan 2006 70 19 5 12
Gumbs et al. [55] 2008 France n/a 3 3 0 0
Gumbs et al. [56] 2008 France n/a 5 5 0 0
Cho et al. [57] 2008 South Korea Jan 2004-Dec 2007 128 47 23 13
Buell et al. [13] 2008 USA Jan 2001-Apr 2008 253 69 24 33
Topal et al. [58] 2008 Belgium Oct 2002-Jun 2007 109 21 4 14
Dagher et al. [59] 2008 France Since Feb 1999 20 20 0 20
Wakabayashi et al. [60] 2009 Japan Jul 1995-Apr 2008 176 39 10 12
Castaing et al. [61] 2009 France Jan 1997-May 2007 60 26 0 22