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Table 2 Characteristics of included studies

From: What surgical approach would provide better outcomes in children and adolescents undergoing cholecystectomy? Results of a systematic review and meta-analysis

Author, year Country Study period Indication Mean age, years (SD) Gender, male (%) Procedure 1 (N) Procedure 2 (N)
Ainsworth et al., 2010 Denmark 2000–2009 Recurrent abdominal pain and cholelithiasis 5.3 (2.94) 3 (23%) Laparoscopic (9) Open (4)
Al-Salem et al., 1997 Saudi Arabia 1989–1995 Sickle cell with cholelithiasis 14.7 (1.08) 17 (34%) Laparoscopic (21) Open (29)
Al-Salem et al., 2012 Saudi Arabia 1995–2009 Sickle cell anaemia with biliary colic/dyspepsia 11.4 (0.96) 47 (54%) Laparoscopic (52) Open (35)
Chabchoub et al., 2010 Tunisia 1979–2008 Cholelithiasis 7.8 (1.86) 9 (47%) Laparoscopic (6) Open (7)
Dumont et al., 1999 USA 1993–1997 Chronic abdominal pain 13.3 (2.21) 7 (17%) Laparoscopic (40) Open (2)
Espinosa-Saavedra et al., 2014 Mexico City 2006–2012 Biliary lithiasis 12.5 (1.17) 10 (33%) Laparoscopic (18) Open (12)
Holcomb et al., 1993 USA Not reported Not reported Not reported Not reported Laparoscopic (22) Open (7)
Jawad et al., 1998 Saudi Arabia 1990–1996 Symptomatic cholelithiasis 8.77 (2.97) 5 (28%) Laparoscopic (11) Open (7)
Jeanty et al., 2015 USA 1997–2013 Cholelithiasis 0.4 (0.25) 4 (40%) Laparoscopic (8) Open (2)
Kim et al., 1995 Canada 1990–1993 Non-haemolytic cholelithiasis 9.76 (2.41) 21 (44%) Laparoscopic (27) Open (21)
Lugo-Vicente et al., 1997 Puerto Rico 1990–1995 Cholelithiasis or dyskinesia 14.8 (1.1) 20 (24%) Laparoscopic (59) Open (24)
Luks et al., 1999 USA 1995–1998 Not reported Not reported Not reported Laparoscopic (33) Open (3)
Mahida et al., 2015 USA 2008–2013 Not reported Not reported Not reported Robotic (46) Not reported
Mehmood et al., 2010 Pakistan 1988–2008 Cholelithiasis and/or choledocholithiasis Not reported Not reported Laparoscopic (7) Open (9)
Miltenburg et al., 2001 USA 1991–1996 Cholelithiasis 12.0 (0.78) 11 (27%) Laparoscopic (20) Open (20)
Parez et al., 2001 France 1982–1998 Cholelithiasis 10.8 (1.11) 13 (50%) Laparoscopic (9) Open (17)
Ruangtrakool et al., 2002 Thailand 1992–2000 Cholelithiasis 9.85 (4.83) 6 (38%) Laparoscopic (8) Open (8)
Stringer et al., 2004 United Kingdom 1994–2003 Cholelithiasis 11.66 (1.28) 15 (43%) Laparoscopic (23) Mini-open (12)
Tannuri et al., 2012 Brazil 1994–2011 Cholelithiasis 10.2 (3.75) 104 (47%) Laparoscopic (204) Open (17)
Ure et al., 1999 Germany 1988–1997 Cholelithiasis 9.9 (1.27) Not reported Laparoscopic (10) Open (10)
Zeman et al., 2004 Czech Republic 1998–2003 Symptomatic cholelithiasis 12.5 (1.2) 10 (21%) Laparoscopic (39) Open (9)