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EJNMMI Research

Table 4 Inter- and intra-operator agreement

From: Quantitative SPECT/CT parameters of myocardial 99mTechnetium-3,3-diphosphono-1,2-propanodicarboxylic acid (DPD) uptake in suspected cardiac transthyretin amyloidosis

Operators

Correlation coefficient

SUVmean20

Correlation coefficient

SUVmean40

Correlation coefficient

SUVmean60

I and II

0.994926

0.998669

0.998777

II and III

0.996651

0.992594

0.998067

I and III

0.994297

0.990702

0.997411

I.1 and I.2

1

0.958495

0.910854

  1. SUV, standardized uptake value; SUVmean20, SUVmean using a segmentation threshold of 20% SUVmax; SUVmean40, segmentation threshold of 40%SUVmax; SUVmean60, segmentation threshold of 60% SUVmax
  2. *3 operators, I, II and III; operator I performed the analysis twice (I.1 and I.2)
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