Congruent validity and inter-day reliability of two breath by breath metabolic carts to measure resting metabolic rate in young adults

Achieving high inter-day reliability is a key factor to analyze the magnitude of change in RMR, for instance after an intervention. The aims of this study were: i) to determine the congruent validity of RMR and respiratory quotient (RQ) with two breath by breath commercially available metabolic cart...

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Bibliographic Details
Published in:Nutrition, metabolism, and cardiovascular diseases metabolism, and cardiovascular diseases, 2018-09, Vol.28 (9), p.929-936
Main Authors: Alcantara, J.M.A., Sanchez-Delgado, G., Martinez-Tellez, B., Merchan-Ramirez, E., Labayen, I., Ruiz, J.R.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Factors
Basal Metabolism
Breath Tests - instrumentation
Breath Tests - methods
Calorimetry, Indirect - instrumentation
CCM express
Equipment Design
Female
Healthy Volunteers
Humans
Indirect calorimetry
Male
Observer Variation
Oxygen consumption
Predictive Value of Tests
Reproducibility of Results
Resting energy expenditure
RMR
Time Factors
Ultima CardiO2
Young Adult
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Summary:Achieving high inter-day reliability is a key factor to analyze the magnitude of change in RMR, for instance after an intervention. The aims of this study were: i) to determine the congruent validity of RMR and respiratory quotient (RQ) with two breath by breath commercially available metabolic carts [CCM Express (CCM) and Ultima CardiO2 (MGU)]; and ii) to analyze the inter-day reliability of RMR and RQ measurements. Seventeen young adults participated in the study. RMR measurements were performed during two consecutive 30-min periods, on two consecutive days with both metabolic carts. The 5-min period that met the steady state criteria [Coefficient of variance (CV) 
ISSN:0939-4753
1590-3729
DOI:10.1016/j.numecd.2018.03.010