Skip to main content

Table 2 Final PBIF parameters estimates

From: Clinical validation of a population-based input function for 20-min dynamic whole-body 18F-FDG multiparametric PET imaging

Model

h3

h4

h3

h4

Time period fitted

0–70 min

0–70 min

0–120 min

0–120 min

τ (min)

0.15

0.16

0.15

0.16

A1 (min−1)

10.5

12.5

10.3

11.1

λ1 (min−1)

14.1

16.8

13.8

14.7

A2

0.029

0.046

0.031

0.022

λ2 (min−1)

0.28

2.56

0.23

0.53

A3

0.021

0.024

0.018

0.016

λ3 (min−1)

0.013

0.17

0.010

0.089

A4

0.018

0.016

λ4 (min−1)

0.011

0.0085

AIC

2102 ± 127

2082 ± 119

2014 ± 123

1989 ± 121

  1. AIC results are mean ± SD (N = 20). The last column shows parameters for the reference PBIF that produced lowest AIC