Does depression predict adverse outcomes for older medical inpatients? A prospective cohort study of individuals screened for a trial*
1 Division of Psychiatry, Cotham House, Cotham Hill, Bristol BS6 6JL, UK
2 Department of Social Medicine, University of Bristol, Canynge Hall, Whiteladies Road, Bristol BS8 2PR, UK
3 School of Nursing, Midwifery and Social Work, University Place, University of Manchester, Oxford Road, Manchester M13 9PL, UK
4 Department of Public Health & Primary Care, Institute of Public Health, University Forvie Site, Robinson Way, Cambridge, CB2 2SR, UK
Address correspondence to: Sarah Cullum, Division of Psychiatry, Cotham House, Cotham Hill, Bristol BS6 6JL, UK. Email: sarah.cullum{at}awp.nhs.uk
Objective: to examine the relationship between depressive symptoms and hospital outcomes in an unselected consecutive sample of older medical inpatients.
Design: a prospective cohort study of individuals screened for a trial.
Setting: medical wards of UK district general hospital in rural East Anglia.
Participants: six hundred and seventeen medical inpatients aged 65+ were randomly selected from consecutive admissions.
Baseline measures: 15-item Geriatric Depression Scale (GDS-15), the Abbreviated Mental Test Score (AMTS) and the Cumulative Illness Rating Scale—Geriatric (CIRS-G).
Main outcome measures: length of hospital stay; discharge to a community hospital (for rehabilitation), institutional care or usual place of residence; dying in hospital.
Results: depressive symptoms are independently associated with an increased likelihood of inpatient death and transfer to a community hospital for rehabilitation, but are not associated with longer length of stay.
Conclusions: research evaluating effectiveness of identification and treatment of depression in older medical inpatients should consider including inpatient death and use of rehabilitation services as potential outcomes.
Keywords: depression, aged, inpatients, cohort study, elderly
* This work was performed at West Suffolk Hospital and Department of Public Health and Primary Care, University of Cambridge.
Received 11 August 2007; accepted in revised form 5 September 2008.
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