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Table 2 Effect of graphical modeling start-times (t*) on measured VT and goodness-of-fit values (N = 5)

From: Reproducible quantification of cardiac sympathetic innervation using graphical modeling of carbon-11-meta-hydroxyephedrine kinetics with dynamic PET-CT imaging

t* (min)

Logan VT

Logan r2

MA1 VT

MA1 1 − rSEE

1.5

11.2

0.90

13.0

0.85

2

12.1

0.91

13.6

0.87

2.5

13.2

0.92

14.6

0.89

3

14.6

0.94

15.4

0.92

4

16.4

0.94

17.0

0.94

5

18.2

0.96

19.8

0.97

10

18.8

0.95

21.4

0.97

15

19.2

0.92

22.2

0.97

20

17.6

0.92

21.4

0.98

  1. The start-time of 5 min (values shown in italics) was selected with the MA1 VT value closest to the 1TC model reference value of 20 mL/cm3 and the highest Logan r2