Low Body Mass Index in Demented Outpatients

W. G. Berlinger, Jane Frances Potter

Research output: Contribution to journalArticle

117 Citations (Scopus)

Abstract

In order to determine the association between dementia and low body weight in outpatients, Body Mass Index (BM1) was evaluated prospectively in 346 frail elderly outpatients presenting for comprehensive geriatric assessment. Patients were categorized into four groups (cognitively intact, dementia of the Alzheimer's type (DAT), other dementia, and patients with depressive symptoms). Patients were assessed for severity of dementia by the Clinical Dementia Rating scale. Differences between groups for various clinical parameters were evaluated using an analysis of variance and Duncan's Multiple Range Test. Patients with dementia, regardless of etiologic type or severity, and patients with depressive symptoms had BMI's ≥10% lower than the cognitively intact patients. BMI was positively correlated with Instrumental Activities of Daily Living (IADL) but not Activities of Daily Living (ADL) or Mini‐Mental State Exam (MMSE) score. Low BMI was not associated with increased physical illness. In fact, in the subset of patients with DAT, lower BMI correlated with significantly lesser amounts of comorbid physical illness. Finally, compared to cognitively intact outpatients, patients with DAT appeared to be physically healthier despite their having a lower BMI. These results suggest an association between dementia and low BMI. On the other hand, the presence of comorbid physical illness, a common focus of evaluation in these patients, was not more common in those patients with lower BMI's. 1991 The American Geriatrics Society

Original languageEnglish (US)
Pages (from-to)973-978
Number of pages6
JournalJournal of the American Geriatrics Society
Volume39
Issue number10
DOIs
StatePublished - Jan 1 1991

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Body Mass Index
Outpatients
Dementia
Activities of Daily Living
Alzheimer Disease
Depression
Geriatric Assessment
Frail Elderly
Analysis of Variance
Body Weight

ASJC Scopus subject areas

  • Geriatrics and Gerontology

Cite this

Low Body Mass Index in Demented Outpatients. / Berlinger, W. G.; Potter, Jane Frances.

In: Journal of the American Geriatrics Society, Vol. 39, No. 10, 01.01.1991, p. 973-978.

Research output: Contribution to journalArticle

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