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European Radiology Experimental
Fig. 4 | European Radiology Experimental

Fig. 4

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

Fig. 4

Illustration of BMD values derived from DECT and QCT for the three HA-inserts L1 (50 mg/cm3), L2 (100 mg/cm3), and L3 (200 mg/cm3). Comparisons of measured BMD values of L1, L2, and L3 with their true BMD values showed significantly lower values when using QCT (all p < 0.001), whereas DECT-derived BMD values differed not significantly compared to true BMD values (all p ≥ 0.509). BMD, Bone mineral density; DECT, Dual-energy computed tomography; QCT, Quantitative computed tomography; HA, Hydroxyapatite; L, Lumbar vertebra equivalent

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