Table 3 Excluding outliers, correlation between PET and MRI for surface- (s), count- (c), and volume-based (v) methods. The count-based method does not provide ESV and EDV values

Slope, V _B

Intercept, V _B

r, V _B

p, V _B

ESVs

1.08

10.3

0.88

< 0.001

EDVs

0.96

− 4.2

0.85

0.001

SVs

0.68

16.2

0.73

0.007

LVEFs

0.77

4.6

0.71

0.009

ESVv

1.15

− 6.2

0.89

< 0.001

EDVv

1.1

10

0.85

< 0.001

SVv

1.04

19.9

0.74

0.006

LVEFv

0.93

6.5

0.72

0.008

LVEFc

0.88

17.5

0.70

0.01

Slope, FP

Intercept, FP

r, FP

p, FP

ESVs

1.24

− 6.2

0.95

< 0.001

EDVs

0.92

− 20.8

0.88

< 0.001

SVs

0.50

20.0

0.56

0.022

LVEFs

0.83

3.6

0.68

0.003

ESVv

1.40

− 21.6

0.89

< 0.001

EDVv

1.07

− 13.2

0.87

< 0.001

SVv

0.75

28.1

0.57

0.018

LVEFv

1.07

− 8.6

0.65

0.005

LVEFc

0.91

11.6

0.60

0.012