Table 1.
Demographic characteristics of the study participants.
| HC group | aMCI group | AD group | |
|---|---|---|---|
| Number | 25 | 15 | 15 |
| Sex (F/M) | 13/12 | 6/9 | 8/7 |
| M (SE) | M (SE) | M (SE) | |
| Age (years) | 82.15 (1.51) | 78.09 (1.61) | 77.7 (2.79) |
| Range | 67–98 | 64–87 | 58–95 |
| Education (years) | 14.58 (0.54) | 13.97 (0.81) | 12.6 (0.65) |
| Range | 9–19.5 | 10–19 | 7–18.5 |
| MMSE | 28.2 (0.26) | 26.87 (0.46)* | 20.87 (1.42)* |
| Range | 26–30 | 24–30 | 10–27 |
| COWA | 37.28 (2.43) | 37.07 (2.58) | 25.6 (2.46)# |
| Range | 20–67 | 19–51 | 14–44 |
M, Mean; SE, Standard Error of the Mean; MMSE, Mini-Mental State Examination; COWA, Controlled Oral Word Association test; HC, Healthy control; aMCI, amnestic Mild Cognitive Impairment; AD, Alzheimer's disease.
*
Significantly lower than HC group.
#
Significantly lower than HC and aMCI groups.