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Novel bioparameters derived from bioimpedance measurements for accurate prediction of weight status in infant–juvenile individuals: A regression analysis Cover

Novel bioparameters derived from bioimpedance measurements for accurate prediction of weight status in infant–juvenile individuals: A regression analysis

Journal of Electrical Bioimpedance
Volume 16 (2025): Issue 1 (January 2025)
By: Taira Batista Luna,  Jose Luis García Bello,  Alcibíades Lara Lafargue,  Héctor Manuel Camué Ciria and  Yohandys A. Zulueta  
Open Access
|May 2025

Figures & Tables

Fig.1:

Predicted vs observable plot of: a) specific resistance index (Ir), b) specific reactance index (IXc) and c) phase angle (θ).
Predicted vs observable plot of: a) specific resistance index (Ir), b) specific reactance index (IXc) and c) phase angle (θ).

Fig.2:

True and predicted responses versus sex of a) specific resistance index (Ir), b) specific reactance index (IXc) and c) phase angle (θ).
True and predicted responses versus sex of a) specific resistance index (Ir), b) specific reactance index (IXc) and c) phase angle (θ).

Fig.3:

True and predicted: a) Ir versus IXc and b) IXc versus Ir bioelectrical parameters. Red lines represent a tendency between these parameters.
True and predicted: a) Ir versus IXc and b) IXc versus Ir bioelectrical parameters. Red lines represent a tendency between these parameters.

Fig.4:

Response bioelectrical parameters of: a) Ir b) IXc and c) phase angle (θ) by weight status classes.
Response bioelectrical parameters of: a) Ir b) IXc and c) phase angle (θ) by weight status classes.

Accuracy parameters of specific resistance-reactance indexes (Ir, IXc) and phase angle (θ) responses_

ResponseModelRMSER2MSEMAE
Ir(Ωm)Linear SVM0.0320 (Ωm)1.000.0010 (Ωm)0.0240 (Ωm)
IXc (Ωm)Linear SVM0.0150 (Ωm)0.980.0002 (Ω2m2)0.1064 (Ωm)
θ (º)Linear SVM0.0973 (º)0.980.0095 (°2)0.0609 (º)
DOI: https://doi.org/10.2478/joeb-2025-0009 | Journal eISSN: 1891-5469
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Language: English
Page range: 62 - 68
Submitted on: Apr 14, 2025
Published on: May 26, 2025
Published by: University of Oslo
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
Bioimpedance,
biomedical parameters,
body mass index,
machine learning,
phase angle
Related subjects:
Engineering,
Bioengineering and biomedical engineering,
Biomedical electronics,
Life sciences,
Biophysics,
Medicine,
Biomedical engineering,
Physics,
Spectroscopy and metrology

© 2025 Taira Batista Luna, Jose Luis García Bello, Alcibíades Lara Lafargue, Héctor Manuel Camué Ciria, Yohandys A. Zulueta, published by University of Oslo
This work is licensed under the Creative Commons Attribution 4.0 License.

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