Table 2.

Eligibility criteria formulated using the PICOS framework

	Inclusion	Exclusion
Population	Patients with a diagnosis of PTSD, all ages	Patients with a comorbid disorder
Intervention/Comparison	CBT which included exposure, psychodynamic therapy or psychodynamic/psychoanalytic‐based therapy (including psychodynamic insight‐orientated therapy, and interpersonal therapy) Includes exposure components as well as cognitive components	Cognitive programs that do not include exposure, or vice versa If comparing either CBT or psychodynamic to another form of therapy other than the aforementioned or use of drug comparison
Outcomes	Improvement or nonimprovement of PTSD symptoms. Severity of PTSD symptoms, distress, preoccupations with trauma, dissociation, intensity of PTSD symptoms, anxiety, depression, nightmares, functioning, guilt. Effectiveness of treatment is mentioned. Dropout rates are mentioned, however, not excluded if this was not mentioned	No outcome measurement, record or comment on improvement or effectiveness
Study design	RCT, follow‐up studies, case studies, all sample sizes	Meta‐analysis

CBT, cognitive behavioural therapy; PTSD, post‐traumatic stress disorder; RCT, randomised control trial.