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BMC Geriatrics
Published in: BMC Geriatrics 1/2015

Open Access 01-12-2015 | Research article

Validity of the portuguese version of the mini nutritional assessment in brazilian elderly

Authors: Renata Santos Pereira Machado, Maria Auxiliadora Santa Cruz Coelho, Renato Peixoto Veras

Published in: BMC Geriatrics | Issue 1/2015

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Abstract

Background

Malnutrition is common and affects negatively the health of the older adult. The Mini Nutritional Assessment (MNA), a nutritional assessment tool allows to identify elders malnourished and at risk of malnutrition. The aim of this study is to validate the Portuguese version of the MNA.

Methods

Cross-sectional study with 344 Brazilian elderly. The full version of the MNA was performed, also calf circumference (CC), mid arm circumference (MAC) and body fat (BF). Psychometric evaluation was carried out and correlation, diagnostic accuracy and ROC curves were generated.

Results

Construct validity was supported, all four questionnaire dimensions were evidenced in the Principal Component Analysis and also significant Spearman correlation (P < 0.001) were demonstrated. Criterion validity was also evidenced with relevant sensitivity (MAC = 82.8; CI95% = 64.2-94.2) and specificity (CC = 80.0; CI95% = 74.0-85.1). In the ROC curve AUC was excellent (MAC = 0.832; CI95% =0.785-0.873).

Conclusions

The full MNA demonstrated significant results and sufficient exploratory psychometric properties that supported its validity. It seems to be valid tool to access nutritional status of Brazilian elderly.
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Metadata
Title
Validity of the portuguese version of the mini nutritional assessment in brazilian elderly
Authors
Renata Santos Pereira Machado
Maria Auxiliadora Santa Cruz Coelho
Renato Peixoto Veras
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Geriatrics / Issue 1/2015
Electronic ISSN: 1471-2318
DOI
https://doi.org/10.1186/s12877-015-0129-6

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