Table 2.

Simplified measures

Simplified measure	Pearson correlation coefficient (measure vs. Ki IDIF)
TBR_WB (30–90 min)	0.87
TBR_WB (60–90 min)	0.79
TBR_PP (30–90 min)	0.87
TBR_PP (60–90 min)	0.87
SUV (30–90 min)	0.80
SUV (60–90 min)	0.78
TBR_integral_PP (30–90 min)	0.94
TBR_integral_PP (60–90 min)	0.93
TBR_integral_WB (30–90 min)	0.75
TBR_integral_WB (60–90 min)	0.75

TBR tumour-to-blood ratio, WB whole blood, PP parent plasma, SUV standardized uptake value