Steinar Lorentzen1, Torleif Ruud, Anette Fjeldstad, Per Høglend. 1. Steinar Lorentzen, MD, PhD, Department for Research and Development, Clinic for Mental Health and Addiction, Oslo University Hospital, and Institute of Clinical Medicine, University of Oslo; Torleif Ruud, MD, PhD, Department for Research and Development, Division of Mental Health Services, Akershus University Hospital, Lørenskog, and Institute of Clinical Medicine, University of Oslo; Anette Fjeldstad, MD, Department of Research and Development, Clinic for Mental Health and Addiction, Oslo University Hospital; Per Høglend, MD, PhD, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
Abstract
BACKGROUND: There are no randomised clinical trials comparing the outcomes of short- with long-term psychodynamic group psychotherapy. AIMS: To compare differences in outcome during and after short- and long-term group psychotherapy. METHOD: In total, 167 out-patients with mood, anxiety and personality disorders were randomised to short- or long-term group therapy (20 or 80 weekly, 90 min sessions). Outcome measures were: symptoms (Symptom Checklist 90 - Revised), interpersonal problems (Inventory of Interpersonal Problems - Circumplex) and psychosocial functioning (Global Assessment of Functioning (GAF) split version: GAF-Symptom and GAF-Function). Change over the 3-year study period was assessed using linear mixed models. The study was registered in clinicalTrials.gov as NCT00521417. RESULTS: Patients in both groups made significant gains. A significantly larger symptomatic change over time was found for long-term compared with short-term therapy, but no significant differences were detected for the three remaining outcome variables. There was a higher number of premature terminations in the long-term (33.3%) compared with the short-term group (8.6%). CONCLUSIONS:Short- and long-term therapy seem equally effective for typical out-patients seeking group psychotherapy, except for symptomatic distress.
RCT Entities:
BACKGROUND: There are no randomised clinical trials comparing the outcomes of short- with long-term psychodynamic group psychotherapy. AIMS: To compare differences in outcome during and after short- and long-term group psychotherapy. METHOD: In total, 167 out-patients with mood, anxiety and personality disorders were randomised to short- or long-term group therapy (20 or 80 weekly, 90 min sessions). Outcome measures were: symptoms (Symptom Checklist 90 - Revised), interpersonal problems (Inventory of Interpersonal Problems - Circumplex) and psychosocial functioning (Global Assessment of Functioning (GAF) split version: GAF-Symptom and GAF-Function). Change over the 3-year study period was assessed using linear mixed models. The study was registered in clinicalTrials.gov as NCT00521417. RESULTS:Patients in both groups made significant gains. A significantly larger symptomatic change over time was found for long-term compared with short-term therapy, but no significant differences were detected for the three remaining outcome variables. There was a higher number of premature terminations in the long-term (33.3%) compared with the short-term group (8.6%). CONCLUSIONS: Short- and long-term therapy seem equally effective for typical out-patients seeking group psychotherapy, except for symptomatic distress.
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