Table 3 Regression analysis and Pearson’s correlation between each individual method for heart-to-background (H:B) uptake ratio

WB-H:B

Ant-H:B

Y = 0.2396689 + 0.8404054*X

0.89

< 0.0001

WB-H:B

LAO-H:B

Y = 0.3885076 + 0.8136067*X

0.82

< 0.0001

WB-H:B

3D-H:B

Y = − 0.536663 + 2.2380835*X

0.82

< 0.0001

Ant-H:B

LAO-H:B

Y = 0.445274 + 0.8212357*X

0.78

< 0.0001

Ant-H:B

3D-H:B

Y = − 0.521782 + 2.3309197*X

0.80

< 0.0001

LAO-H:B

3D-H:B

Y = − 0.183172 + 2.0604316*X

0.74

< 0.0001