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Table 1 Summary statistics of test-retest PET measurement analysis using 90-min TAC1 duration (N = 6)

From: Quantification and reliability of [11C]VC - 002 binding to muscarinic acetylcholine receptors in the human lung — a test-retest PET study in control subjects

Model

Mean ± SD VT (test)

Mean ± SD VT (retest)

Mean (min–max) VAR (%)

Median VAR (%)

ICC5

1TCM2

2.5 ± 0.7

2.7 ± 0.6

11.2 (0.1–22.3)

11.3%

0.86

MLLogan3

2.4 ± 0.6

2.7 ± 0.6

12.1 (1.8–28.1)

10.1%

0.86

DEPICT4

2.4 ± 0.6

2.7 ± 0.6

12.4 (1.1–24.4)

13.3%

0.91

  1. 1TAC time-(radio)activity curve, VAR absolute variability, SD standard deviation
  2. 21TCM one-tissue compartment model
  3. 3MLLogan multi-linear variant of Logan’s graphical analysis
  4. 4DEPICT data-driven estimation of parametric images based on compartmental theory
  5. 5ICC intraclass correlation coefficient