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[Non-invasive methods for evaluation of body composition during weight reduction].
P Hlúbik1, J Chaloupka, L Opltová
1Vojenská lékarská akademie JEP, Hradec Králové. hlubik@pmfhk.cz
Sbornik Lekarsky
|June 8, 1999
Summary
Bioelectrical impedance (BIA) and Deurenberg's calculation (FORM) accurately assess body composition, correlating highly with dual energy X-ray absorptiometry (DEN). These noninvasive methods offer reliable obesity measurement alternatives.
Area of Science:
- Physiology and Metabolism
- Body Composition Analysis
Context:
- Obesity is characterized by excessive energy accumulation in adipose tissue due to a positive energy balance.
- Accurate body composition determination is crucial for understanding and managing obesity.
Purpose:
- To comparatively evaluate selected noninvasive methods for body composition determination.
- To assess the correlation between bioelectrical impedance (BIA), physical anthropometry (ANTHR), Deurenberg's calculation (FORM), and dual energy X-ray absorptiometry (DEN).
Summary:
- Four methods were analyzed: BIA, ANTHR, FORM, and DEN.
- Bioelectrical impedance analysis demonstrated the highest statistically significant correlation with dual energy X-ray absorptiometry (r = 0.9145).
- Bioelectrical impedance analysis also showed a strong correlation with Deurenberg's calculation (r = 0.9014).
Impact:
- Highlights BIA and FORM as reliable, noninvasive alternatives for body composition assessment.
- Supports the use of BIA for accurate obesity measurement in clinical and research settings.
- Provides evidence for the validity of non-DEXA methods in body fat estimation.