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Department of Psychiatry of the Federal University of São Paulo (UNIFESP), Brazil
University of Nottingham, UK
Correspondence: Dr Sergio Luís Blay, Department of Psychiatry, UNIVESP, R. Botucatu 740, CEP 04023-900, São Paulo, Brazil. Tel: 55-11-3816-1030; Fax: 55-11-3816-1030; E-mail: blaysl{at}psiquiatria.epm.br
Background Psychotherapy research rarely has studied outcome in the longer term.
Aims To evaluate the effectiveness of brief group dynamic psychotherapy (BGDP) intervention in patients with minor psychiatric disorders compared with the usual clinical management shortly after treatment termination and to investigate whether intervention would show a differential effect at 2-year follow-up.
Method Patients were allocated randomly to an experimental or control group. The General Health Questionnaire (GHQ) was used as a primary outcome measure.
Results Based on improvement in the GHQ, at termination of treatment
the BGDP group showed a significant improvement in 23 out of 42 (54.8%)
compared with 11 out of 41 (26.8%) in the clinical management group. The
difference in the total improvement rate is 28% (95% C18-48)
(
2=6.7; d.f.=1; P=0.009). In contrast, no
differential follow-up effects were found between the BGDP and clinical
management groups.
Conclusions Psychotherapy appears to have beneficial effects at termination of treatment but the changes attained were not stable.
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