作者
Giuseppe Sergi, Egle Perissinotto, Claudia Pisent, Alessandra Buja, Stefania Maggi, Alessandra Coin, Francesco Grigoletto, Giuliano Enzi
发表日期
2005/7/1
期刊
The Journals of Gerontology Series A: Biological Sciences and Medical Sciences
卷号
60
期号
7
页码范围
866-871
出版商
Oxford University Press
简介
Background. The present study aims at defining a body mass index (BMI) threshold for risk of being underweight in elderly persons on the basis of the BMI distribution in a large Italian population-based sample and on its ability to predict short-term mortality.
Methods. At baseline (1992), BMI was obtained for 3110 (1663 males and 1447 females) persons aged 65–84 participating in the Italian Longitudinal Study on Aging (ILSA). BMI and risk factors (age, sex, education, smoking status, disability, and disease status) have been considered for their potential association with 4-year all-cause mortality. Information on vital status at 1995 was obtained for 2551 participants.
Results. The fifth centile of BMI was well approximated by a value of 20 for both sexes. Also in both sexes, at a BMI value of 24 the a posteriori probability of death started to increase, doubling at a …
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