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"In this study, the short-term reproducibility and agreement between individual units of dual X-ray and laser (DXL) Calscan (version 2), a new bone densitometry device based on dual X-ray absorptiometry and Laser technique, were evaluated. The variations in bone mineral density (BMD) and T-score between the right and the left foot were also studied retrospectively in 334 individuals," scientists writing in the Journal of Clinical Densitometry report (see also Bone Research).
"The short-term CV%, based on 19 healthy individuals scanned twice on 4 different units, was 2.1%, and the average CV% per scanner ranged from 1.1% to 1.8%. The short-term CV% in 33 elderly individuals (aged 83 +/- 6 yr) was 3.9% and in a subgroup with a calcaneal T-score of -2.5 or below (n = 16) 5.1 %. There was no statistical difference between the average BMD of the right and left foot, and (r(2)) between the right and left side was 0.84," wrote L.L.M. Toft and colleagues, Karolinska University.
The researchers concluded: "The observed short- and long-term reproducibilities, as well as ...
Source: HighBeam Research, New data from Karolinska University illuminate research in bone...