Table 3 Regional percent of ¹⁸F-PI-2620-positive subjects by quantitative assessment (i.e., ¹⁸F-PI-2620 SUVR at least two standard deviations above the mean SUVR in healthy controls) in each amyloid-beta group

Mesial temporal

0.0% (0/13)

25.8% (8/31)

63.3% (19/30)

< 0.0001

Fusiform gyrus

7.7% (1/13)

22.6% (7/31)

53.3% (16/30)

0.001

Inferior temporal

7.7% (1/13)

12.9% (4/31)

50% (15/30)

0.0007

Superior temporal

0.0% (0/13)

6.5% (2/31)

20% (6/30)

0.03

Occipital

0.0% (0/13)

9.7% (3/31)

33.3% (10/30)

0.003

Parietal

7.7% (1/13)

9.7% (3/31)

33.3% (10/30)

0.02