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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

ModelMean ± SD VT (test)Mean ± SD VT (retest)Mean (min–max) VAR (%)Median VAR (%)ICC4
1TCM22.6 ± 0.82.6 ± 0.79.4 (4.8–16.8)7.1%0.89
MLLogan32.6 ± 0.62.7 ± 0.77.8 (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