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Aust N Z J Psychiatry. 2006 Nov-Dec;40(11-12):1025-30.

Predictors of depression 12 months after cardiac hospitalization: the Identifying Depression as a Comorbid Condition study.

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1
Department of Psychiatry, University of Adelaide, Queen Elizabeth Hospital, Woodville, South Australia, Australia. geoffrey.schrader@adelaide.edu.au

Abstract

OBJECTIVE:

To determine characteristics which predict depression at 12 months after cardiac hospitalization, and track the natural history of depression.

METHOD:

Depressive symptoms were monitored at baseline, 3 and 12 months in a cohort of 785 patients, using the self-report Center for Epidemiological Studies Depression Scale. Multinomial regression analyses of baseline clinical and demographic variables identified characteristics associated with depression at 12 months.

RESULTS:

Three baseline variables predicted moderate to severe depression at 12 months: depression during index admission, past history of emotional health problems and current smoking. For those who were depressed during cardiac hospitalization, 51% remained depressed at both 3 and 12 months. Persistence was more evident in patients who had moderate to severe depressive symptoms when hospitalized. Mild depression was as likely to persist as to remit.

CONCLUSIONS:

Three clinically accessible characteristics at the time of cardiac hospitalization can assist in predicting depression at 12 months and may aid treatment decisions. Depressive symptoms persist in a substantial proportion of cardiac patients up to 12 months after hospitalization.

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