Table 1 Characteristics of the study participants.
From: Longitudinal effects of aging on 18F-FDG distribution in cognitively normal elderly individuals
Group 1 | Group 2* | Group 3* | |
|---|---|---|---|
n = 107 | n = 89 | n = 18 | |
Age at the baseline PET (years) | 67.9 ± 4.9 | 67.6 ± 5.1 | 69.3 ± 3.9 |
Range | 56–81 | 56–81 | 62–76 |
Age at the second PET (years) | 75.7 ± 4.8 | 75.4 ± 4.9 | 76.8 ± 3.9 |
Range | 64–90 | 64–90 | 70–83 |
MMSE at the second PET | 29.2 ± 1.1 | 29.2 ± 1.0 | 29.2 ± 1.3 |
25–30 | 26–30 | 25–30 | |
Interval (years) | 7.8 ± 1.8 | 7.8 ± 1.8 | 7.6 ± 1.9 |
Sex | |||
Male | 19 | 14 | 5 |
Female | 88 | 75 | 13 |
Apolipoprotein E ε4 | |||
Presence | 18 | 0 | 18 |
Absence | 89 | 89 | 0 |
