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J Obes. 2011;2011:534714. doi: 10.1155/2011/534714. Epub 2011 Jul 21.

Comparison of predictive equations for resting energy expenditure in overweight and obese adults.

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1
Department of Public Health, Centre for Physical and Nutritional Metabolism (CeMENutri), São Paulo State University (UNESP), District of Rubião Junior s/no, 18618-970 Botucatu, SP, Brazil.

Abstract

Objective. To compare values from predictive equations of resting energy expenditure (REE) with indirect calorimetry (IC) in overweight and obese adults. Methods. Eighty-two participants aged 30 to 60 years old were retrospectively analyzed. The persons had a body mass index ≥25 kg/m(2). REE was estimated by IC and other five equations of the literature (Harris and Benedict, WHO1, WHO2, Owen, Mifflin). Results. All equations had different values when compared to those of IC. The best values were found by Harris and Benedict, WHO1, and WHO2, with high values of intraclass correlation coefficient and low values of mean difference. Furthermore, WHO1 and WHO2 showed lower systematic error and random. Conclusion. No predictive equations had the same values of REE as compared to those of indirect calorimetry, and those which least underestimated REE were the equations of WHO1, WHO2, and Harris and Benedict. The next step would be to validate the new equation proposed.

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