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Longitudinal validity of abdominal adiposity assessment by regional bioelectrical impedance

European Journal of Clinical Nutritionvolume 72pages10551057 (2018) | Download Citation

Abstract

The main goal of this study was to analyze the longitudinal agreement between changes in trunk and abdominal adiposity variables assessed by DXA and portable bioimpedance device (ViScan). A total of 44 women, enrolled in a 4-month exercise intervention, were included in this analysis. Trunk/abdominal compartments were assessed by ViScan and DXA. Adjusted correlations for age and FM at first assessment (pre) were utilized to perform concurrent validation among methods and completed with an agreement analysis. We observed significant differences between the changes detected by DXA and ViScan for %TFM (difference = −1.41%; p < 0.05), and proportional bias (Kendall’s Tau = 0.53; p < 0.0001). Changes in abdominal adiposity were similar (difference = −0.1037 z-score units, p = 0.53), although there was proportional bias (Kendall’s Tau = −0.24, p < 0.022). ViScan has a limited capability to evaluated changes in trunk and abdominal adiposity, at least for clinical purposes in adult women.

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Acknowledgements

We thank participants for committing with all assessments and training program in good mood and collaborative way. We also appreciate the support of Irina Postrilla and Maria Ayuso for their help with the logistic at the gym. This study was supported by the University of Malaga (Campus of International Excellence Andalucıa Tech).

Author information

Affiliations

  1. Facultad de Medicina, Andalucía Tech. Escuela de Medicina del Deporte, Universidad de Málaga, Campus de Teatinos, s/n, 29071, Málaga, Spain

    • José Ramón Alvero-Cruz
    • , Jerónimo C. García-Romero
    • , Margarita Carrillo de Albornoz-Gil
    • , Lorena Correas-Gomez
    •  & Piero Peñaloza
  2. Departamento de Didactica de la Educacion Fisica y Salud, Universidad Internacional de La Rioja, Logrono, Spain

    • Manuel Jiménez
  3. Facultad de Ciencias de la Educación, Andalucía Tech. Laboratorio de Biodinámica y Composición Corporal, Universidad de Málaga, Campus de Teatinos, s/n, 29071, Málaga, Spain

    • Lorena Correas-Gomez
    • , Iván López-Fernández
    •  & Elvis A. Carnero
  4. Translational Research Institute for Diabetes and Metabolism, Florida Hospital Sanford, Burnham Prebys Medical Discovery Institute, 301 East Princeton Street, Orlando, FL, 32804, USA

    • Elvis A. Carnero

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Conflict of interest

The authors declare that they have no conflict of interest.

Corresponding author

Correspondence to Elvis A. Carnero.

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DOI

https://doi.org/10.1038/s41430-018-0129-7