Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Proportion of people with PTSD
RCT	284 women with PTSD; 277 veterans and 7 active-service personnel	Proportion of women no longer meeting diagnostic criteria for PTSD immediately after treatment 55/141 (39%) with CBT (10 weekly sessions of prolonged exposure lasting 90 minutes) 29/143 (20%) with present-centred therapy (10 weekly sessions lasting 90 minutes)	P = 0.002	Effect size not calculated	CBT