Semi-Quantification of Myocardial Uptake of Bone-Seeking Agents in Suspected Cardiac Amyloidosis.

Concerning the RFT metric, although several mildly significant differences were found in HCs vs. patients (visual scores from 1 to 3), doubtful subjects or patients with scores >1 (panel C in Figure 2 and Figure 3 showing wide overlap) in the ROC curve analysis revealed too low a sensitivity (50% for the female group, 38% for the male group) for RFT to be considered a useful index for distinguishing HC from CA subjects.

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