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Table 2 Relative test–retest variability across reference regions and methods

From: [11C]PIB amyloid quantification: effect of reference region selection

  DVRRLOGAN DVRSRTM SUVr40−60 SUVr60−90
GM cerebellum 2.8 2.9 3.5 5.1
Whole cerebellum 1.4 2.0 2.2 2.8
WM brainstem /pons 2.4 3.3 2.3 3.7
Whole brainstem 2.1 3.8 2.2 3.1
Subcortical eroded WM 2.4 2.7 3.7 3.9
  1. All values are % TRT variability of global cortical averages for N = 12
  2. Values depicted as mean (%) ± SD, MMSE = Mini-Mental State Examination