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European Radiology Experimental
Fig. 6 | European Radiology Experimental

Fig. 6

From: Accuracy and precision of volumetric bone mineral density assessment using dual-source dual-energy versus quantitative CT: a phantom study

Fig. 6

Linear regression of BMD values in (a) DECT and (b) QCT. Scatter plots showing the relationship between true BMD values of L1, L2, and L3 (y-axis) and measured BMD values obtained by DECT (a) or QCT (b) (x-axis); the black lines represent the linear regression lines. A significant correlation between true and measured BMD values was identified, both in DECT (R2 = 0.9990; p < 0.001) and QCT (R2 = 0.9986; p < 0.001). BMD, Bone mineral density; DECT, Dual-energy computed tomography; QCT, Quantitative computed tomography; L, Lumbar vertebra equivalent; R2, Coefficient of determination

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