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. 2019 Jan 12;92(1096):20180756. doi: 10.1259/bjr.20180756

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© 2019 The Authors. Published by the British Institute of Radiology

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Figure 3. — Effect of iMAR on mean HU ± 95% CI (left) and on mean voxelwise HU standard deviation ±95% (right) of three most artifact-affected anatomical structures in the vicinity of other metal implants (cardiac pacemaker, internal fixators of the spine, surgical clips/coils, screw fixation in the femoral neck). iMAR corrected CT HU marked with asterisks differ significantly from noMAR CT HU (*= p < .05; **=p < .01). CI, confidence interval; HU, Hounsfield unit; iMAR, iterative metal artifact reduction.