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. 2014 Dec 20;14:143. doi: 10.1186/1471-2318-14-143

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© Thomsen et al.; licensee BioMed Central. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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The distribution of the results of calcaneal QUS (A) and phalangeal RA (B). Plots showing the distribution of the results of QUS of the calcaneus (A) and phalangeal RA (B). Horizontal lines represent the upper and lower triage thresholds at a 90% certainty level. A: 90% sensitivity threshold: BUA=105.88, 90% specificity threshold: BUA=86.63. B: 90% sensitivity threshold: T-score= -0.65, 90% specificity threshold T-score=-2.95. Abbreviations: QUS = Quantitative Ultrasound, RA = Radiographic Absorptiometry, BUA = Broadband Ultrasound Attenuation.