Table I.
Demographic profile and general intelligence
| Group | CS (n = 16) | MCI (n = 13) | AD (n = 11) |
|---|---|---|---|
| Gender (women/men) | 7/9 | 5/8 | 7/4 |
| Age (years) | 69.0 (8.4) | 73.2 (9.3) | 76.7 (8.5) |
| Education (years) | 10.5 (3.8) | 11.4 (4.3) | 7.8 (4.9) |
| Full IQ | 114.4 (11.8) | 101.3 (19.0) | 86.2 (20.7)* |
| PIQ | 112.9 (10.3) | 100.9 (17.8)** | 83.2 (17.7)* |
| VIQ | 114.1 (12.2) | 102.1 (18.4) | 96.8 (32.0) |
Mean (standard deviation); CS, control subject; MCI, mild cognitive impairment; AD, Alzheimer's disease; *P < 0.01, analysis of variance with post hoc between AD and CS; **P < 0.05 analysis of variance with post hoc between MCI and AD.