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Fig. 7 | SpringerPlus

Fig. 7

From: Quantitative analysis of orthopedic metal artefact reduction in 64-slice computed tomography scans in large head metal-on-metal total hip replacement, a phantom study

Fig. 7

a HU value for each investigated pellet is shown for different scan protocols with and without OMAR. b CNR value for each investigated pellet is shown for different scan protocols with and without OMAR. Average beneficial significant effect for HU and CNR by use of O-MAR for each position (L0, R0 L5, L6 and L8), by six different scan settings (p < 0.001). Protocol pairs: 5 and 6, ‘120 kVp; 150 mAs; Filter A; iDose4 level 5’; 23 and 24, ‘120 kVp; 300 mAs; Filter A; iDose4 level 5’; 41 and 42, ‘120 kVp; 600 mAs; Filter A; iDose4 level 5’; 59 and 60, ‘140 kVp; 101 mAs; Filter A; iDose4 level 5’; 77 and 78, ‘140 kVp; 202 mAs; Filter A; iDose4 level 5’; 95 and 96, ‘140 kVp; 405 mAs; Filter A; iDose4 level 5’

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