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Comment on “Body weight difference between dual-energy X-ray absorptiometry and multi-frequency bioelectrical impedance analysis attenuates the equivalence of body composition assessment”

European Journal of Clinical Nutrition volume 73, pages 329–330 (2019)Cite this article

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Dear Editor,

We read with great interest the article by Pham and colleagues [1] who examined body weight difference between dual-energy X-ray absorptiometry (DXA) and multi-frequency bioelectrical impedance analysis (MF-BIA) via InBody 720, Biospace, Seoul, Korea). They calculated the level of agreement between body weight measured using DXA, actual body weight (WgtA) measured using a digital scale and body weight measured using MF-BIA. They concluded that lower WgtA greatly contributed to the difference in body composition analysis measured using DXA and MF-BIA [1]. However, we would like to bring the readers' attention to some methodological points.

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References

  1. Pham DD, Lee SK, Shin C, Kim NH, Leem CH. Body weight difference between dual-energy X-ray absorptiometry and multi-frequency bioelectrical impedance analysis attenuates the equivalence of body-composition assessment. Eur J Clin Nutr. 2018. https://doi.org/10.1038/s41430-018-0164-4. e-pub ahead of print 18 April 2018. .

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  2. Ward LC. Segmental bioelectrical impedance analysis: an update. Curr Opin Clin Nutr Metab Care. 2012;15:424–29.

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  3. Sillanpaa E, Cheng S, Hakkinen K, Finni T, Walker S, Pesola A, et al. Body composition in 18- to 88-year-old adults—comparison of multifrequency bioimpedance and dual-energy X-ray absorptiometry. Obesity . 2014;22:101–9.

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Acknowledgements

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VBS drafted the letter and US performed a critical review of the article.

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Authors and Affiliations

  1. Department of Physical Medicine and Rehabilitation, Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey

    Vildan Binay Safer

  2. Department of Paliative Care, Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey

    Umut Safer

  3. Department of Internal Medicine, Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey

    Umut Safer

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  1. Vildan Binay Safer
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  2. Umut Safer
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Correspondence to Vildan Binay Safer.

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Binay Safer, V., Safer, U. Comment on “Body weight difference between dual-energy X-ray absorptiometry and multi-frequency bioelectrical impedance analysis attenuates the equivalence of body composition assessment”. Eur J Clin Nutr 73, 329–330 (2019). https://doi.org/10.1038/s41430-018-0243-6

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