Table 1 Demographic and clinical characteristics for each clinical group
HC (n = 659) | MCI (n = 107) | AD (n = 51) | |
|---|---|---|---|
Mean (SD) | Mean (SD) | Mean (SD) | |
Percentage females+ | 57.8% | 50.5% | 51.0% |
Age (years) | 69.5 (6.6) | 75.7 (7.5) | 79.3 (7.2) |
MMSE | 28.7 (1.4) | 26.1 (2.1) | 19.8 (3.8) |
CDR-SB | 0.06 (0.3) | 1.39 (1.2) | 5.87 (2.4) |
Premorbid IQ | 108.35 (7.3) | 105.9 (9.0) | 103.2 (8.4) |
Education level med | 12 (9–15) | 12 (9–15) | 12 (9–15) |
HADS depression | 2.6 (2.2) | 3.3 (2.4) | 3.8 (3.1) |
HADS anxiety | 4.3 (2.9) | 4.1 (2.6) | 4.7 (3.7) |
Detection speed* | 100.0 (10.0) | 94.26 (13.7) | 91.72 (13.5) |
Identification speed* | 100.0 (10.0) | 87.62 (16.4) | 84.12 (15.4) |
One card learning accuracy* | 100.0 (10.0) | 83.74 (11.6) | 78.42 (15.1) |
One back accuracy* | 100.0 (10.0) | 79.18 (13.1) | 70.14 (16.3) |