Body mass index as discriminator of the lean mass deficit and excess body fat in institutionalized elderly people

Geriatric Nursing
Maria Helena BarbosaElizabeth Barichello

Abstract

The objective of this study was to identify the discriminating criterion for body mass index (BMI) in the prediction of low fat free mass and high body fat percentage according to sex among older people. Observational analytical study with cross-sectional design was used for this study. All institutionalized older people from the city of Uberaba (Minas Gerais, Brazil) who fit within the inclusion and exclusion criteria were approached. Sixty-five institutionalized older people were evaluated after signing a Free and Informed Consent Form. Descriptive and inferential statistical procedures were employed for the analysis, using Student's t-test and multiple linear regression. Receiver Operating Characteristic (ROC) curves were constructed to determine the BMI (kg/m(2)) cut-off points. The study complied with all the ethical norms for research involving human beings. In comparing the anthropometric measurements obtained via bioimpedance, elder male had higher mean height and body water volume than females. However, women had higher mean triceps skinfold and fat free mass than men. The BMI cut-off points, as discriminators of low fat free mass percentage and high body fat percentage in women, were ≤22.4 kg/m(2) and >26.6 kg/m(2), r...Continue Reading

References

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Citations

Oct 24, 2018·Journal of Clinical Medicine·Chia-Ter ChaoUNKNOWN COGENT Study Group (COhort of GEriatric Nephrology in NTUH)
Mar 12, 2020·Ciência & saúde coletiva·Erika Aparecida SilveiraGustavo Velasquez-Melendez

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