Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
PTSD symptoms
Systematic review	29 people Data from 1 RCT	Severity of clinician-rated PTSD symptoms with mirtazapine with placebo Absolute results not reported	SMD –1.89 95% CI –3.00 to –0.78 The results of this RCT should be interpreted with caution, as people allocated to mirtazapine had less-severe symptoms at baseline, and the withdrawal rate was 31%	Effect size not calculated	mirtazapine