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Table 3 Demographic, cognitive and neuroimaging data in the high and low 18F-florbetaben retention groups

From: 18F-florbetaben Aβ imaging in mild cognitive impairment

  All MCI (n= 45)
  Low Aβ (SUVR < 1.45) High Aβ (SUVR ≥ 1.45)
Number (% of total) 21 (47) 24 (53)
Age 71.8 ± 6.1 73.5 ± 6.9
Years of education 13.5 ± 3.0 13.8 ± 4.2
MMSE 27.9 ± 1.4 26.7 ± 1.9*
CDR 0.4 ± 0.2 0.5 ± 0.0*
CDR SOB 1.3 ± 0.9 1.6 ± 1.0
Composite EM -1.4 ± 0.8 -2.8 ± 1.0*
Composite NM -1.0 ± 0.9 -0.8 ± 0.8
Neocortical SUVR 1.30 ± 0.09 1.75 ± 0.19*
Hippocampal volume (cm3) 7.4 ± 1.1 6.9 ± 0.8
WMH volume (cm3) 9.9 ± 10.2 10.5 ± 11.8
  1. Aβ, β-amyloid; CDR, Clinical Dementia Rating; EM, episodic memory z score; MCI, mild cognitive impairment; NM, nonmemory z score; SOB, sum of boxes, SUVR, standard uptake value ratio; WMH, white matter hyperintensities. *P < 0.05.