Ahmadizadeh 2013.

Methods	RCT
Participants	Iranian veterans in 8 years of consecutive Iraq‐Iran War combat (1982‐1989), 25‐50 years of age, with diagnosis of PTSD merely or PTSD with concomitant depression (diagnosed with DSM‐IV‐TR). They presented a variety of concerns to the Deployment Health Clinic of Bonyad‐e‐Shahid and Sepah Pasdaran between 2005 and 2006 in Tehran
Interventions	Problem‐solving therapy: 25 participants Exposure therapy: 25 participants Combined therapy (exposure therapy plus problem solving): 25 participants Control group: 25 participants
Outcomes	Quality of life using Quality of Life (QoL) questionnaire; psychiatric problems using Symptom Checklist 90‐Revised (SCL90‐R)
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Quote: "Were randomly allocated to one of four equal interventional groups"
Allocation concealment (selection bias)	Unclear risk	No information provided
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	No information provided
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	No information provided
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	No information provided
Selective reporting (reporting bias)	High risk	Study report declares that 120 patients were included in the study but later adds that each of 4 study groups was composed of 25 individuals
Therapist qualification	Low risk	Intervention was delivered by "expert therapists"
Treatment fidelity	Unclear risk	No information provided
Therapist/investigator allegiance	Unclear risk	No information provided
Other bias	Unclear risk	No information provided