Fig. 5

Bland-Altman plot illustrating the agreement between dual-source DECT- and QCT-based BMD measurements comprising L1 (50 mg/cm3), L2 (100 mg/cm3), and L3 (200 mg/cm3). Solid line: mean BMD difference. Dot line: 95% limits of agreement (mean difference ± 1.96 standard deviation). DECT, Dual-energy computed tomography; QCT, Quantitative computed tomography; BMD, Bone mineral density; L, Lumbar vertebra equivalent