Importance of psychotic features to long-term course in major depressive disorder

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Abstract
OBJECTIVE: Most efforts to describe the prognostic significance of psychotic features in depression have been limited to single assessments 1 year or less after the initial evaluation. However, the various biological and treatment response differences between patients with psychotic and nonpsychotic depression suggest that prognostic differences may be very long-term. METHOD: The 787 patients described here entered the study as they sought treatment at one of five academic medical centers; they had either RDC major depressive disorder or schizo-affective depression (other than the mainly schizophrenic subtype) and completed at least 6 months of follow-up. Of these, 144 (18.3%) had psychotic depression as defined here. Patients provided follow-up interviews at 6-month intervals for 5 years and annually thereafter; 98 of those with psychotic depression and 434 of those with non-psychotic depression were followed for 10 years. RESULTS: Those who began follow-up with psychotic depression had fewer weeks with ...

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