Study	Reason for exclusion
Abbasnejad 2007	No formal diagnosis of PTSD.
Arntz 2007	TFCBT vs TFCBT.
Barabasz 2013	Unclear how many participants were suffering ASD as opposed to PTSD (length of time since trauma was not reported). Not a true RCT.
Boudewyns 1990	Group treatment with exposure or conventional one‐to‐one counselling.
Chemtob 1997	Treatment designed for anger vs PTSD with anger measures used as primary outcomes.
Classen 2001	No formal diagnosis of PTSD.
Classen 2010	No formal diagnosis of PTSD.
Cole 2007	No formal diagnosis of PTSD.
Davis 2007	Only 67.3% of participants met diagnostic criteria for PTSD before entry into study.
Difede 2007a	Only 67.7% of participants met diagnostic criteria for PTSD before entry into study.
DuHamel 2010	Only 19% of participants met diagnostic criteria for PTSD before entry into study.
Dunn 2007	Treatment for depression not PTSD.
Echeburua 1996	Trauma < 3 months before entry into study.
Edmond 1999	No formal diagnosis of PTSD.
Falsetti 2001	No formal diagnosis of PTSD.
Falsetti 2005
Foa 2006	Trauma < 3 months before entry into study.
Frommberger 2004	Psychological therapy vs pharmacotherapy.
Gidron 1996	Not psychological treatment.
Ginzberg 2009	No diagnosis of PTSD.
Glynn 1999	Not an individual or group therapy.
Hiari 2005	Participants only required to meet re‐experiencing and avoidance criteria of DSM‐IV criteria for PTSD.
Jaberghaderi 2004	Participants under 18 (study included in Gillies 2012).
Knaevelsrud 2007	No formal diagnosis of PTSD.
Lange 2001	No formal diagnosis of PTSD.
Lange 2003	No formal diagnosis of PTSD.
Litz 2007	No formal diagnosis of PTSD.
Maercker 2006	Only 48% of participants met diagnostic criteria for PTSD. Remainder had a diagnosis of "sub‐syndromal PTSD".
Mithoefer 2011	TFCBT vs TFCBT.
Najavits 2006	Mean age of participants 16 years [study included in Gillies 2012]
Paunovic 2001	TFCBT vs TFCBT.
Price 2007	No formal diagnosis of PTSD made.
Rabe 2008	Only 48.5% of participants met diagnostic criteria for PTSD before entry into study.
Rothbaum 2006	Pharmacotherapy versus pharmacotherapy plus psychological therapy.
Ryan 2005	No formal diagnosis of PTSD.
Schaal 2009	Age range 14 ‐ 28.
Shapiro 1989a	No formal diagnosis of PTSD.
Sloan 2004	No formal diagnosis of PTSD.
Sloan 2005	No formal diagnosis of PTSD.
Spence 2011	Information on duration was not collected. Unkown whether participants had acute/chronic PTSD.
Tarrier 1999	Compared trauma focused cognitive therapy with exposure therapy therefore both treatments = TFCBT.
Tucker 2007	Pharmacotherapy versus placebo.
Van Emmerik 2008	Only 46.6% diagnosis of PTSD.
Watson 1997	Considered 3 different types of relaxation training with no other comparison group.
Wilson 1995	< 50% PTSD at entry to study.
Yeomans 2010	No formal diagnosis of PTSD.