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Table 4 Results of nonlinear regression analysis for the rate constants (K1-4) using the two-tissue compartment model

From: Comparison of [18F] NaF PET/CT dynamic analysis methods and a static analysis method including derivation of a semi-population input function for site-specific measurements of bone formation in a population with chronic kidney disease-mineral and bone disorder

K1
(ml min−1 ml−1)
k2
(min−1)
k3
(min−1)
k4
(min−1)
Chi2
0.111 ± 0.04 0.366 ± 0.26 0.195 ± 0.07 0.005 ± 0.005 60.1 ± 53.4
  1. Goodness of fit for the curves was evaluated by Chi-squared test. Values from 12 scans are expressed as mean ± SD. Image-derived AIFs (IDAIFs) were obtained from a TAC of left ventricle of the heart (LV)