Patient Engagement in PTSD Treatment (PEP)

In- and exclusion criteria of the randomised controlled trial for Psychotherapeutic Unit Inclusion Criteria: * Adults (18 years or older) * PTSD pursuant to the ICD-10 research criteria * Signed informed consent * patients referred to "Main Level" treatment Exclusion Criteria: * Severe psychotic disorder (defined as patients with an ICD-10 diagnosis F2x and F30.1-F31.9). Participants are excluded only if the psychotic experiences are assessed to be part of an independent psychotic disorder and not part of a severe PTSD and/or depression. * Dependence syndrome of drugs or alcohol: Active dependence and use (F1x.24-F1x.26). In- and exclusion criteria of the randomised controlled trial for Competencecenter of Transcultural Psychiatry: Inclusion criteria: * Adult (18 years or older) * Refugees or persons who have been family reunified with a refugee * PTSD pursuant to the ICD-10 research criteria * Psychological trauma experienced outside Denmark in the anamnesis. Trauma is imprisonment or detention with torture (according to the United Nations' definition of torture) or acts of cruel, inhuman and degrading treatment or punishment. Trauma can also be organised violence, long-term political persecution and harassment, or war and civil war experiences. * Signed informed consent Exclusion criteria: * Severe psychotic disorder (defined as patients with an ICD-10 diagnosis F2x and F30.1-F31.9). Participants are excluded only if the psychotic experiences are assessed to be part of an independent psychotic disorder and not part of a severe PTSD and/or depression. * Dependence syndrome of drugs or alcohol: Active dependence and use (F1x.24-F1x.26).