Skip to main content

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)