期刊
NEUROLOGY
卷 60, 期 1, 页码 117-119出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1212/01.WNL.0000038910.46217.AA
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To study the relationship between body mass index (BMI) and risk of dementia, a cohort of 3,646 individuals aged :65 years living at home and without cognitive disorders at baseline were followed up for 8 years (the PAQUID [Personnes Agees Quid] Study). Subjects with a BMI < 21 had an increased risk of developing dementia as compared with subjects whose BMI was between 23 and 26 (odds ratio = 1.48, 95% CI = 1.08 to 2.04). However, when individuals who developed dementia early during the follow-up were excluded from the analysis, this relationship was no longer significant. A low BMI does not in itself seem to be a risk factor for dementia.
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