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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: J Bone Miner Res. 2011 Sep;26(9):2194–2203. doi: 10.1002/jbmr.428

Figure 5. Reproducibility of MDCT attenuation techniques using supine and prone series as internal controls.

Figure 5

Simple and Bland-Altman plots for the phantomless QCT technique (A and B) and the simple ROI technique (C and D) in 45 patients who underwent DXA and CTC within 7 days of each other show slightly better reproducibility for the simple ROI vertebral method. (Note: purple dots = osteoporosis, orange dots = osteopenia, and green dots = normal BMD at DXA according to T-scores).