Cited by 70Body Composition Measurement TechniquesClinical Nutrition and GastroenterologyRegulation of Appetite and Obesity

Evaluation of specific metabolic rates of major organs and tissues: Comparison between men and women

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Wang, ZiMian, Ying, Zhiliang, Bosy‐Westphal, Anja, Zhang, Junyi, Heller, Martin, Later, Wiebke, Heymsfield, Steven B., Müller, Manfred J.·2011·American Journal of Human Biology

Abstract

Objectives: The specific resting metabolic rates ( K i , in kcal/kg per day) of major organs and tissues in the Reference Man were suggested in 1992 by Elia: 200 for liver, 240 for brain, 440 for heart and kidneys, 13 for skeletal muscle, 4.5 for adipose tissue and 12 for the residual mass. However, it is unknown whether gender influences the K i values. The aim of the present study was to compare the K i values observed in nonelderly nonobese men to the corresponding values in women. Methods: Elia's K i values were evaluated based on a mechanistic model: REE = Σ( K i × T i ), where REE is whole‐body resting energy expenditure measured by indirect calorimetry and T i is the mass of major organs and tissues measured by magnetic resonance imaging. Marginal 95% confidence intervals (CIs) for the model‐estimated K i values were calculated by stepwise univariate regression analysis. Subjects were nonelderly (age 20–49 years) nonobese (BMI 18.5–29.9 kg/m 2 ) men ( n = 49) and women ( n = 57). Results: The measured REE (REEm) and the mass of major organs and skeletal muscle were all greater in the men than in women. The predicted REE by Elia's K i values were correlated with REEm in men ( r = 0.87) and women ( r = 0.86, both P < 0.001). Elia's K i values were within the range of 95% CIs for both men and women groups, revealing that gender adjustment is not necessary. Conclusions: Elia's proposed adult K i values are valid in both nonelderly nonobese men and women. Further studies are needed to explore the potential influences of age and obesity on K i values in humans. Am. J. Hum. Biol., 2011. © 2010 Wiley‐Liss, Inc.

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Authors
Wang, Z., Ying, Z., Bosy‐Westphal, A., Zhang, J., Heller, M., Later, W., Heymsfield, S. B., & Müller, M. J.
Affiliations
  • St. Luke's-Roosevelt Hospital Center (US)
  • Columbia University (US)
  • Christian-Albrechts-Universität zu Kiel (DE)
  • University Hospital Schleswig-Holstein (DE)
  • Pennington Biomedical Research Center (US)
Corresponding author
Wang, ZiMian
Venue
American Journal of Human Biology
Publisher
Wiley
Published
2010-12-22
Volume
23
Issue
3
Pages
333-338
ISSN
  • 1042-0533 (ISSN-L)
  • 1520-6300
OpenAlex
W2017466108
Cited by
70
References
17
Citations by year
2026: 9 · 2025: 6 · 2024: 4 · 2023: 5 · 2022: 6 · 2021: 4 · 2020: 4 · 2019: 4 · 2018: 3 · 2017: 4 · 2016: 4 · 2015: 1 · 2014: 4 · 2013: 6 · 2012: 6
FWCI
2.60
Type
journal article
Language
en
Open access
Locations
  • American Journal of Human Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Deutsche Forschungsgemeinschaft
  • National Institute of Diabetes and Digestive and Kidney Diseases (R21DK081633, DK081633, P30DK026687)
Topics
  • Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
  • Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
resting metabolic rate, sex differences, reference man, resting energy expenditure, organ mass, skeletal muscle, liver, brain, adipose tissue, indirect calorimetry, magnetic resonance imaging, mechanistic model
MeSH terms
Adipose Tissue, Adult, Basal Metabolism, Body Composition, Brain, Calorimetry, Indirect, Energy Metabolism, Female, Germany, Humans, Kidney, Liver, Magnetic Resonance Imaging, Male, Middle Aged, Myocardium, Reference Values, Regression Analysis, Sex Characteristics, Muscle, Skeletal, Young Adult

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