Does dementia predict adverse hospitalization outcomes? A prospective study in aged inpatients

International Journal of Geriatric Psychiatry
Dina ZekryKarl-Heinz Krause

Abstract

Dementia is often considered a predictor of adverse hospitalization outcomes. However, the relative contributions of dementia and other risk factors remain unclear. To assess, in a prospective study, the relative value of dementia for predicting hospitalization outcomes, taking into account comorbidity, functional and nutritional status in 435 inpatients (age 85.3 +/- 6.7; 207 cognitively normal, 48 with mild cognitive impairment and 180 demented) from the acute and rehabilitation geriatric hospital of Geneva. Hospitalization outcomes (death in hospital, length of stay, institutionalisation and formal home care needs) were predicted using logistic regression models with sociodemographic characteristics, cognitive status, comorbid Charlson index-CCI, functional and nutritional status as independent variables. Moderate and severe dementia and poor physical function strongly predicted longer hospital stay, institutionalization and greater home care needs in univariate analyses. CCI was the best single predictor, with a four-fold difference in mortality rates between the highest and lowest scores. In multivariate analysis, the best predictor of institutionalisation was dementia, whereas the best predictor of death in hospital or lo...Continue Reading

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