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March 18, 2026

Inter‐scanner variability in bone mineral density and T ‐score measurements: A comparison of Stratos, Lunar, and Osteosys DXA systems

Key Points

The aim is to evaluate the inter-scanner variability in bone mineral density and T-score measurements across different DXA systems.
Comparison of Stratos, Lunar, and Osteosys DXA systems
Assessment of T-scores and bone mineral density (BMD) measurements
Analysis focused on femoral and lumbar spine results
Substantial concordance in T-score and BMD measurements, especially in femoral sites
Slight differences found did not significantly alter osteoporosis (OP) diagnosis
Observed greater variability in lumbar spine measurements, suggesting caution in interpretation

Abstract

DXA scanners showed substantial concordance in T-score and BMD, particularly in femoral measurements. The slight differences between these measurements did not have a major effect on OP diagnosis. Greater variability in lumbar spine results warrants caution. Further studies should aim to minimize inter-scanner differences and assess their long-term clinical implications.

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Cite This Study

Erden et al. (Sun,) studied this question.

synapsesocial.com/papers/69ba42ae4e9516ffd37a31cc https://doi.org/https://doi.org/10.1111/cpf.70056

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