Key result
GEHC and Hologic DXA systems show substantial agreement for VAT-based metabolic risk classification.
Why the study?
Excess visceral adipose tissue is a major risk factor for metabolic syndrome, but different dual-energy x-ray absorptiometry manufacturers provide different visceral adipose tissue estimates.
Can visceral adipose tissue measures be standardized between GE HealthCare and Hologic DXA systems for metabolic risk classification?
Population
114 individuals (ages 18-81 years) plus a separate validation sample (n = 15)
Comparison
GE HealthCare vs Hologic DXA systems
Design
Comparative imaging study with validation sample
Authors
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Supports VAT standardization across DXA systems for metabolic risk classification; leaves open prospective validation before clinical adoption.
Cross-Sectional (n=129)
Can visceral adipose tissue measures be standardized between GE HealthCare and Hologic DXA systems for metabolic risk classification?
Effect estimate: weighted κ = 0.76
VAT measures from GEHC and Hologic DXA systems can be standardized using simple regression equations, allowing for consistent metabolic risk classification across different imaging systems.
Bennett et al. (2023) conducted a cross-sectional in Excess visceral adipose tissue (n=129). GE HealthCare (GEHC) DXA system vs. Hologic DXA system was evaluated on Agreement of VAT measurements for classifying patients into metabolic risk categories (weighted κ = 0.76). VAT measures from GEHC and Hologic DXA systems showed substantial agreement for metabolic risk classification (weighted κ = 0.76) with no significant differences in population mean values.
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