Body composition measurement: a hierarchy of methods.

Area of Science:

• Physiology
• Medical Technology
• Biostatistics

Background:

• A wide array of methods exists for body composition estimation.
• Method selection often involves a trade-off between cost, complexity, and the level of detail provided.
• Health professionals need guidance to choose appropriate methods based on available resources and clinical requirements.

Purpose of the Study:

• To review four distinct methods for assessing body composition.
• To compare methods based on availability and clinical detail.
• To aid practitioners, including pediatric endocrinologists, in making informed decisions regarding body composition assessment.

Main Methods:

• Review of four body composition estimation techniques: skinfolds, electrical impedance, underwater weighing, and dual-energy X-ray absorptiometry (DXA).
• Consideration of factors such as cost, complexity, and information content.
• Inclusion of references to pediatric studies for each method.

Main Results:

• The reviewed methods offer a range of options for body composition assessment.
• Each method presents a different balance of cost, complexity, and data richness.
• Information is provided on the applicability and considerations for using these methods in pediatric populations.

Conclusions:

• Practitioners have several viable methods for body composition assessment, catering to different financial and clinical needs.
• Understanding the nuances of each method, including its application in children, is crucial for effective clinical practice.
• The review provides a framework for selecting appropriate body composition analysis tools.