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Body Composition Fidelity

Meaning

Body Composition Fidelity describes the degree to which the measured distribution of lean mass, fat mass, and bone density accurately reflects the true underlying physiological state of the individual. High fidelity implies that assessment methods, such as DEXA or bioelectrical impedance analysis, provide data that strongly correlates with actual tissue characteristics relevant to metabolic health. Maintaining this fidelity is crucial for accurate clinical staging and monitoring treatment efficacy. It moves beyond simple weight measurement to assess tissue quality.