Accuracy and Robustness of Bone Volume Fraction Assessment by Photon-Counting, Dual-Energy, and Quantitative CT using Micro-CT as Standard of Reference.

Despite this increase, the measurements for QCT air were still seen as reproducible. The t -test revealed that the measurement mean errors were highly significant ( p -value < 0.05, Table 2 ) and differed substantially from zero for DECT 22.3 air, DECT 2.3 fat, PCT120 2,3 air, PCT140 22.3 and PCT140 2.3 air, and QCT for all three fluids.

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