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Table 2 Test-retest metrics for VT, VS, and BPND values derived using the 2TCM from the cerebellum and the SVCA4 reference TACs

From: Test-retest reliability and convergent validity of (R)-[11C]PK11195 outcome measures without arterial input function

Method Measure Mean SD ICC AbsVar% SEM MD%
Cerebellum VT 0.67 0.16 0.81 13 0.07 29
VS 0.43 0.11 0.67 18 0.06 39
BPND 1.91 0.31 − 0.31 21 0.36 52
SVCA4 reference TAC VT 0.74 0.18 0.67 18 0.1 38
VS 0.46 0.13 0.69 20 0.07 43
BPND 1.72 0.52 0.77 22 0.25 40
  1. ICC intraclass correlation coefficient, AbsVar% percentage (of the mean) absolute variability, SEM standard error of the measurement, MD% percentage (of the mean) minimum detectable difference