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EJNMMI Research

Table 2 Summary statistics of test-retest PET measurement analysis using 60-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 (%)

ICC4

1TCM2

2.6 ± 0.8

2.6 ± 0.7

9.4 (4.8–16.8)

7.1%

0.89

MLLogan3

2.6 ± 0.6

2.7 ± 0.7

7.8 (1.3–24.6)

4.4%

0.90

  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. 4ICC intraclass correlation coefficient
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