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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 3. ROC curves for predicting DXA T-scores for osteopenia/osteoporosis with MDCT attenuation techniques.

Figure 3

Figure 3

ROC curves for phantomless QCT and simple ROI MDCT methods for detecting DXA T-scores of −2.5 or lower (A, osteoporosis) and −1.0 or lower (B, low BMD – osteopenia and osteoporosis). AUC values (with 95% CI) are shown for each method and level (MV = best multivariate model). Note how similar the performance is, regardless of specific ROI approach, with sizable overlap of all 95% confidence intervals.