Is mini-nutritional assessment a reliable tool in detecting malnutrition in elderly with body weight excess?
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ORIGINAL ARTICLE
Is mini‑nutritional assessment a reliable tool in detecting malnutrition in elderly with body weight excess? Giovanni Mario Pes1,2 · Sara Loriga1 · Alessandra Errigo1 · Patrizia Tedde1 · Maria Pina Dore1,3 Received: 11 June 2019 / Accepted: 6 September 2019 © Springer Nature Switzerland AG 2019
Abstract Purpose The rising proportion of elderly population in high-income societies has resulted in increasing number of subjects with chronic disabling diseases and nutritional deficiency. Elderly’s nutritional status is usually assessed through the mininutritional assessment (MNA®). However, its effectiveness may be influenced by weight excess or obesity. We tested the performance of MNA® questionnaire in subjects aged ≥ 65 years from Northern Sardinia, Italy, according to overweight/ obesity, and we tried to identify the factors associated with malnutrition. Methods A modified version of MNA® (mMNA) test, not including BMI, was compared with the conventional MNA® (cMNA) test, and the overall test performance was assessed by calculating sensitivity, specificity and accuracy. In addition, indexes of cognitive health, disability, comorbidity and polypharmacy were compared between patients with concordant and discordant MNA tests. Results cMNA® sensitivity, specificity and accuracy were 67%, 99% and 84% compared with the mMNA test, due to malnourished patients misclassified as normal because of excess weight. Predictors of malnutrition were: depression (p
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