Abstract
Objective: To determine if the presence of a personality disorder would effect the long-term outcome of surgery for low back pain. Methods: Personality disorders were assessed by means of the Structured Clinical Interview for Diagnosis Statistical Manual-II Revised (SCID) Screen questionnaire. Outcome was assessed from reported experience of pain, global change and working status at follow up. Results: The frequency of personality disorders was 16%. Patents wtih a "Dramatic" personality disorder had more pain at follow up. Conculsions: The results indicate that the presence of a personality disorder might result in a worse long-tern outcome after surgery for low back pain.