Table 1 Abbreviations

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

PBIF_AUC

Population-based input function created by normalizing AIFs by their AUC

PBIF_iDV

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

sPBIF_AUC(t1–t2)

Scaled population-based input function by the AUC of the IDIF in time window t1 min to t2 min

sPBIF_iDV

Scaled population-based input function by the initial ¹⁸F-FDG plasma concentration

sPBIF_PLAS

Scaled population-based input function by the average of the ratio of plasma samples to PBIF

TAC

Tissue time-activity curve

WB

Whole body