Table 4 The results of correlation between rCBV z-score and FDG-PET z-score separately for AD and MCI groups and for all patients (AD + MCI)

R front

r = 0.47

p = 0.01*

r =− 0.12

p = 0.46

r = 0.30

p = 0.01*

L front

r = 0.39

p = 0.04*

r =− 0.16

p = 0.31

r = 0.31

p = 0.01*

R temp

r = 0.49

p = 0.01*

r = 0.27

p = 1

r = 0.6

p < 0.001*

L temp

r = 0.48

p = 0.01*

r = 0.02

p = 0.88

r = 0.55

p < 0.001*

R pariet

r = 0.25

p = 0.2

r = 0.15

p = 0.35

r = 0.46

p < 0.001*

L pariet

r = 0.5

p = 0.007*

r =− 0.1

p = 0.55

r = 0.45

p < 0.001*

R PCG

r = 0.45

p = 0.01*

r = 0.28

p = 0.8

r = 0.53

p < 0.001*

L PCG

r = 0.42

p = 0.03*

r = 0.4

p = 0.01

r = 0.63

p < 0.001*