Table 1 Descriptive statistics for the measures used.
From: Brain volumes discriminate clinical dementia rating scale categories
CDR group | ||||
|---|---|---|---|---|
0 | 0.5 | 1 | ||
N | 352 | 72 | 36 | |
Age (y) | Mean (SEM) | 68.49 (0.48) | 75.92 (0.81) | 77.43 (1.44) |
Sex | Men (M), Women (W) | 140 M, 212 W | 42 M, 30 W | 25 M, 11 W |
Education (y) | Years (SEM) | 16.9 (0.138) | 14.72 (0.320) | 14.42 (0.464) |
Race | White (W), Black (B), Asian (A) | 296 W, 53 B, 3 A | 59 W, 13 B | 26 W, 10 B |
MMSE | 29.18 (0.06) | 26.31 (0.347) | 22.78 (0.703) | |
Informant sex | 121 M, 228 W | 17 M, 51 W | 5 M, 30 W | |
Informant Relation | 1-Spouse/partner | 2-Child | 3-Sibling | 4-Other relative | 5-Friend/neighbor | 6-Paid caregiver/provider | 7-Other | 1 (185), 2 (75) 3 (20), 4 (11) 5 (47), 7 (4) | 1 (44), 2 (17) 3 (1), 4 (2) 5 (3), 7 (1) | 1 (27), 2 (4) 3(3), 5 (1) |
ApoE | ε2/ε2 | 3 | 0 | 0 |
ε2/ε3 | 43 | 8 | 3 | |
ε2/ε4 | 13 | 4 | 0 | |
ε3/ε3 | 176 | 30 | 12 | |
ε3/ε4 | 102 | 24 | 17 | |
ε4/ε4 | 14 | 5 | 3 | |
