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Fig. 3 | EJNMMI Research

Fig. 3

From: No significant difference found in PET/MRI CBF values reconstructed with CT-atlas-based and ZTE MR attenuation correction

Fig. 3

a Average percentage differences in arterial radioactivity at each point of dynamic PET frames. The difference of each point was less than 5%, although variance (SD) was about ± 10%. b A representative IDIF curve from a patient is presented at the bottom. The error bars were calculated from the average difference of each time point. Estimation errors are small, especially in the phase of low radioactivity concentration

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