Lindauer 2005.

Methods	Randomised controlled trial
Participants	24 DSM‐IV PTSD sufferers. Various traumas (11 men, 13 women) in the Netherlands
Interventions	16 weekly 45‐ to 60‐minute sessions of Brief Eclectic Psychotherapy (n = 12) vs waiting list (n = 12)
Outcomes	SI‐PTSD, HADS
Notes	Experienced therapists delivered therapy and treatment adherence was assessed.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Quote: "A colleague who had done no assessments used a computer program to randomly assign 12 patients to each condition in a block design."
Allocation concealment (selection bias)	Low risk	Quote: "A colleague who had done no assessments used a computer program to randomly assign 12 patients to each condition in a block design."
Incomplete outcome data (attrition bias) All outcomes	Low risk	Quote: "Intention‐to‐treat and per‐protocol analyses were calculated." Comment: 5 participants dropped out of the treatment group and 1 from the waitlist group. Reasons were fully reported.
Selective reporting (reporting bias)	Low risk	Comment: All specified outcomes were reported.
Other bias	High risk	Comment: Small sample size.
Blinding of participants and personnel (performance bias) All outcomes	High risk	Comment: Participants were aware of their allocation. The issue of researcher allegiance cannot be ruled out.
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Quote: "Each patient was assessed by a researcher (R.J.L.L. or E.P.M.M.), who were blind to all patients’ condition."