“…In a cohort of community-dwelling subjects aged 65 years and older, Atlantis et al found an increased mortality in subjects with a low BMI, but not in those with unintentional weight loss [9]. Veronese et al suggested that the BMI was a better predictor for the mortality of nursing home residents than the Mini Nutritional Assessment, but they did not explicitly test for weight lost [17]. There are numerous additional studies demonstrating the association of low BMI and weight loss with increased mortality of older persons in various settings.…”
“…In a cohort of community-dwelling subjects aged 65 years and older, Atlantis et al found an increased mortality in subjects with a low BMI, but not in those with unintentional weight loss [9]. Veronese et al suggested that the BMI was a better predictor for the mortality of nursing home residents than the Mini Nutritional Assessment, but they did not explicitly test for weight lost [17]. There are numerous additional studies demonstrating the association of low BMI and weight loss with increased mortality of older persons in various settings.…”
“…[5][6][7][8][9][10][11][12] This trend was confirmed by different studies in the NH setting, in which a lower mortality risk coincided with a higher body mass index (BMI). [13][14][15] Weight changes might have a key role in explaining the unexpected relationship between BMI and mortality in old people. Unintentional short-term weight loss in NH residents can often be a sign of wasting diseases, such as end-stage renal failure, heart failure, chronic obstructive pulmonary disease, cancer and inflammatory conditions, 16 that gradually lead to a state of malnutrition that worsens the prognosis.…”
“…In older patients admitted for acute geriatric care 4-year mortality was predicted adequately by a low BMI, whereas the Mini Nutritional Assessment (MNA) failed to predict long-term mortality, likely due to the overriding impact of co-morbidities and acute disease [16]. Likewise, a high BMI in elderly nursing home residents has been associated with a lower risk of long-term mortality (5 years) and was found to be the best parameter as compared with albumin or the Mini Nutritional Assessment [19].…”
Section: Discussionmentioning
confidence: 99%
“…Furthermore, the population selected is often very old [16] (which may not be representative of the population admitted to acute care hospitals) or old and institutionalized [10,17e19], or in a nursing home [19], and consideration of the confounding effect of disease is rare [14]. Even fewer studies have investigated mortality outcomes using data from national death registries [14,15], thus ensuring accuracy in data collection.…”
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