Study	Reason for exclusion
Al‐Shabibi 2010	No randomisation was performed
Alborzi 2009	No randomisation was performed
Alessandri 2006	The control group did not receive a placebo or not treatment. The trial compared two different techniques
Alessandri 2010	The control group did not receive a placebo or not treatment. The trial compared two different techniques
Chang 2009	No randomisation was performed
Chang 2011	No randomisation was performed
Chang 2012	No randomisation was performed
Fletcher 1996	The control group was not a placebo or no treatment group but rather another intervention
Frederick 2013	The control group was not a placebo or no treatment
Ginsburg 1993	The control group was not a placebo or no treatment group but rather another intervention
Kathiresan 2011	The control group was not a placebo or no treatment group but rather another intervention
Kimura 2002	The study compared blood loss when vertical and transverse incisions were performed during laparoscopic myomectomy. Thus there was no distinction between the treatment and control groups
Lee 2009	No randomisation was performed
Lin 2008	The control group was not a placebo or no treatment
Liu 2004	No randomisation was performed
Morita 2004	No randomisation was performed
Mousa 2012	Control group received another intervention rather than a placebo or no treatment
Narin 2007	Control group received another intervention rather than a placebo or no treatment
Ngeh 2004	No randomisation was performed
Rossetti 1999	No randomisation was performed
Sapmaz 2003B	The control group was not a placebo or no treatment group but rather another intervention
Sapmaz 2003C	The control group was not a placebo or no treatment group, but rather another intervention
Wang 2011	The control group did not receive a placebo or not treatment. The trial compared two different techniques