Table 3.

FDG PET and PiB Distribution

	FDG		PiB
Index	A-P (%)	L-R (%)	A-P (%)	L-R (%)
Probable AD (n=39)	−0.2 (8.0)	1.1 (9.0)	18.5 (10.1)	−0.9 (6.1)
All pAD (n=7)	−2.7 (−12.3 – 17.9)	−4.5 (−25.4 – 7.3)
PiB− pAD (n=3)	−8.1 (−12.3 – 5.7)	−9.5 # (−25.4 – −0.3)
PiB+ pAD (n=4)	2.7 (−8.5 – 17.9)	0.4 (−4.0 – 7.3)	14.2 (−1.2 – 27.7)	−2.3 (−13.7 – 5.4)
All DUE (n=10)	−5.8 (−28.5 – 5.4)	−1.4 (−14.0 – 14.3)
PiB− DUE (n=7)	−6.6 (−28.5 – 5.4)	−3.2 (−14.0 – 14.3)
PiB+ DUE (n=3)	−4.4 (−5.0 – −3.7)	1.2 (−0.1 – 2.6)	23.4 (12.3 – 36.7)	5.1 (0.5 – 10.3)
All PCA (n=5)	7.6 (−2.2 – 38.7)	−5.4 (−17.1 – 3.7)
PiB− PCA (n=2)	1.4 (1.0 – 1.8)	−1.2 (−6.1 – 3.7)
PIB+ PCA (n=3)	11.7 (−2.2 – 38.7)	−8.2 (−17.1 – 3.3)	2.1* (−7.5 – 10.1)	2.7 (−2.8 – 6.5)
All PPA (n=5)	−4.0 (−9.3 – 3.3)	−7.3 # (−19.1 – 6.6)
PiB− PPA (n=4)	−5.8 (−9.3 – −0.4)	−4.4 (−15.6 – 6.63)
PiB+ PPA (n=1)	3.3	−19.1	43.3	−4.3

Note that 1 aAD (PiB+ patient), 1 DUE (PiB+ patient), and 8 probable AD patients did not have an FDG PET scan;

^*: p < 0.05,

^#p < 0.1 vs. probable AD.

Standard deviation and range presented in parentheses for the probable AD and other diagnostic categories, respectively.