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Table 6 PET errors for total activity and activity concentration measured by the second observer using the accurate model µ map

From: Attenuation correction for PET/MRI to measure tracer activity surrounding total knee arthroplasty

Inter-observer reliability of accurate model

 

Accurate model

 

Total activity (%)

Activity concentration (%)

Reference vial

3.10

3.23

Anterior vial

 − 1.35

 − 1.79

Middle vial

 − 6.83

 − 4.18

Posterior vial

 − 5.67

 − 1.56