Table 1.

Abbreviations

Abbreviations	Terms
AIF	Arterial input function
AUC	Area under the curve
COV	Coefficient of variation
ID	Injected dose
iDV	Initial distribution volume
IDIF	Image-derived input function
IF	Input function
PBIF	Population-based input function
PBIFAUC	Population-based input function created by normalizing AIFs by their AUC
PBIFiDV	Population-based input function created by normalizing AIFs by the initial 18F-FDG plasma concentration
ROI	Region of interest
sPBIF	Scaled population-based input function
sPBIFAUC(t1–t2)	Scaled population-based input function by the AUC of the IDIF in time window t1 min to t2 min
sPBIFiDV	Scaled population-based input function by the initial 18F-FDG plasma concentration
sPBIFPLAS	Scaled population-based input function by the average of the ratio of plasma samples to PBIF
TAC	Tissue time-activity curve
WB	Whole body