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Physiological models of body composition and human obesity

David G Levitt1 email, Steven B Heymsfield2 email, Richard N Pierson Jr3 email, Sue A Shapses4 email and John G Kral5 email

1  Department of Integrative Biology and Physiology, University of Minnesota, 321 Church Street SE, Minneapolis, MN 55455, USA

2  Merck & Co, 126 E. Lincoln Avenue, PO Box 2000, RY34-A238, Rahway, NJ 07065-0900, USA

3  St. Luke's-Roosevelt Hospital, Columbia University College of Physicians and Surgeons, NY Body Composition Unit, 114th street and Amsterdam Avenue, NY, NY 10025, USA

4  Department of Nutritional Sciences, Rutgers University, 96 Lipman Drive, New Brunswick, NJ 08901, USA

5  Department of Surgery, SUNY Downstate Medical Center, Box 40, 450 Clarkson Avenue, Brooklyn, NY 11203, USA

author email corresponding author email

Nutrition & Metabolism 2009, 6:7doi:10.1186/1743-7075-6-7

The electronic version of this article is the complete one and can be found online at: http://www.nutritionandmetabolism.com/content/6/1/7

Received: 13 February 2009
Accepted: 16 February 2009
Published: 16 February 2009

© 2009 Levitt et al; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Correction to Levitt DG, Heymsfield SB, Pierson Jr RN, Shapses SA, Kral JG: Physiological models of body composition and human obesity. Nutrition & Metabolism 2007, 4:19

Correction

Since publication of our first article [1] we have noticed that the following corrections needed to be made. There is an error in the calculation of the body fat in the original version of this article. The tritium distribution space was not properly corrected for non-aqueous hydrogen exchange and water density resulting in estimates of percent body fat that are about 2% less then the correct percent. This produces small errors in the regression relations for the prediction of body fat from BMI or body density described originally in Tables 3, 4, 5, 6, 7, 8 and 9. The corrected tables (calculated using TBW = 3H2O × 0.96 × 0.994) are provided.

Table 3. Caucasian males: Dependence of fat fraction on age for two BMI ranges.

Table 4. Caucasian females: Dependence of fat fraction on age for three BMI ranges.

Table 5. Ethnic dependence of BMI versus fat fraction for males.

Table 6. Ethnic dependence of BMI versus fat fraction for females.

Table 7. Comparison of linear (eq. (16)) and non-linear (eq. (9)) regression expressions for predicting body fat fraction from BMI and age.

Table 8. Prediction of fat fraction from BMI for Caucasian + Black + Hispanic subjects.

Table 9. Prediction of fat fraction from body density for Caucasian + Black + Hispanic subjects.

References

  1. Levitt DG, Heymsfield SB, Pierson RN Jr, Shapses SA, Kral JG: Physiological models of body composition and human obesity.

    Nutrition & Metabolism 2007, 4:19. PubMed Abstract | BioMed Central Full Text | PubMed Central Full Text OpenURL

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