Official Position of the Brazilian Association of Bone Assessment and Metabolism (ABRASSO) on the evaluation of body composition by densitometry—part II (clinical aspects): interpretation, reporting, and special situations

Table 1 Strengths and limitations of different methods of evaluation of body composition (adapted from References [1,2,3,4,5])

Measurement technology	Time/cost/availability	Radiation-free	Accuracy	Precision	Regional versus whole body	Muscle/fat	Intratissue fat	VAT
Anthropometry	++	++	−/+	−/+	−	−	−	−
Air/water displacement	−	++	+	++	−	−	−	−
BIA	+	++	−/+	+	+	−/+	−	−/+
Ultrasound	+	++	+	−/+	−	+	+	+
CT	+	−	++	++	−	++	++	++
MRI	−	++	++	++	++	++	++	++
DXA	+	+	+	++	+	+	−	+

DXA dual-energy X-ray absorptiometry, BIA bioelectrical impedance, CT computed tomography, MRI magnetic resonance imaging, VAT visceral adipose tissue, + strength, with + + defining strong evidence, − limitation

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