Table S1. Jadad Scale

Author, year / Blinding / Randomization / Withdrawal
Lin, 2016 / 0 / 2 / 1
Kim, 2016 / 2 / 2 / 1
Choi, 2016 / 2 / 2 / 1
Abdelaziz, 2016 / 2 / 2 / 1
Lundblad, 2015 / 2 / 2 / 1
Costi, 2015 / 2 / 2 / 1
Soliman, 2015 / 2 / 2 / 1
Peng, 2015 / 0 / 1 / 1
Mukherjee, 2015 / 2 / 2 / 0
Moawad, 2015 / 0 / 2 / 1
Hadi, 2015 / 0 / 1 / 1
Cho, 2015 / 2 / 2 / 1
Thomas, 2015 / 2 / 2 / 1
Sheta, 2014 / 2 / 2 / 1
Kim, 2014 / 2 / 2 / 1
Bortone, 2014 / 2 / 2 / 1
Rashad, 2014 / 0 / 2 / 1
Liang, 2014 / 1 / 2 / 1
Cho, 2014 / 2 / 2 / 1
Bilgen, 2014 / 2 / 2 / 1
Chen, 2013 / 0 / 2 / 1
Na, 2013 / 2 / 2 / 1
Khalifa, 2013 / 2 / 2 / 1
Ali, 2013 / 2 / 1 / 1
Abdelhalim, 2013 / 2 / 2 / 1
Li, 2013 / 2 / 2 / 1
Meng, 2012 / 2 / 2 / 1
Xu, 2012 / 2 / 2 / 1
Akin, 2012 / 2 / 1 / 1
Shen, 2012 / 0 / 2 / 0
Abdelmawgoud, 2012 / 2 / 2 / 1
Pestieau, 2011 / 2 / 2 / 1
Ozcengiz, 2011 / 1 / 2 / 1
Ghosh, 2011 / 2 / 2 / 1
Jun, 2011 / 2 / 2 / 1
Assad, 2011 / 2 / 2 / 1
Kim, 2011 / 2 / 2 / 1
Sato, 2010 / 2 / 2 / 1
Lee, 2010 / 0 / 2 / 1
Lee, 2010 / 0 / 2 / 1
Jung, 2010 / 2 / 2 / 1
Dong, 2010 / 2 / 2 / 1
Saadawy, 2009 / 2 / 2 / 1
Erdil, 2009 / 0 / 2 / 1
Bakbamees, 2009 / 0 / 1 / 1
Tsai, 2008 / 0 / 2 / 0
Abu-Shahwan, 2008 / 2 / 2 / 1
Tazeroualti, 2007 / 2 / 2 / 1
Kain, 2007 / 0 / 2 / 1
Aouad, 2007 / 2 / 2 / 1
Almenrader, 2007 / 0 / 1 / 1
Abu-Shahwan, 2007 / 2 / 2 / 1
Lankinen, 2006 / 2 / 2 / 1
Isik, 2006 / 2 / 2 / 0
Dalens, 2006 / 2 / 2 / 1
Tesoro, 2005 / 0 / 2 / 1
Shukry, 2005 / 2 / 2 / 0
Guler, 2005 / 2 / 2 / 1
Ibacache, 2004 / 0 / 2 / 1
Demirbilek, 2004 / 0 / 2 / 1
Bergendahl, 2004 / 2 / 2 / 1
Cravero, 2003 / 2 / 2 / 1
Bock, 2002 / 2 / 2 / 1
Kulka, 2001 / 1 / 2 / 0
Finkel, 2001 / 2 / 2 / 1
Galinkin, 2000 / 2 / 2 / 1
Viitanen, 1999 / 2 / 2 / 1