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Table 2 Definition of some symbols (corresponding definitions used for SUV-related quantities)

From: Correction of scan time dependence of standard uptake values in oncological PET

Symbol

Definition

Comment

SURref

SUR(T0)

SUR measured at t=T0 (reference value)

SUR T

SUR(T)(uncorrected)

SUR measured at t=T (without correction to t=T0)

SUR0

SUR(T)(corrected)

SUR measured at t=T (after correction to t=T0)

Δ SUR T

SUR T -SURref

Absolute deviation of uncorrected SUR from reference value

δ SUR T

Δ SUR T / SURref

Fractional deviation of uncorrected SUR from reference value

Δ SUR0

SUR0-SURref

Absolute deviation of corrected SUR from reference value

δ SUR0

Δ SUR0/ SURref

Fractional deviation of corrected SUR from reference value