Table 1. The demographic characteristics of the participants stratified by NC, MCI and dementia.
| Characteristics | Total (n = 102) |
NC (n = 35) |
MCI (n = 36) |
Dementia (n = 31) |
χ2 (df = 2) |
Pairwise comparisona |
|---|---|---|---|---|---|---|
| Age in years | 77.13 ± 7.49 | 73.64 ± 6.39 | 76.22 ± 7.41 | 82.11 ± 6.13 | 22.91** | 3 > 1, 3 > 2 |
| Gender [Male, Number (%)] | 47 (46.1%) | 17 (48.6%) | 14 (38.9%) | 16 (51.6%) | 1.22 | |
| Years in education | 7.26 ± 4.87 | 10.03 ± 3.85 | 6.83 ± 4.87 | 4.61 ± 4.35 | 23.48** | 1 > 2, 1 > 3 |
| GDS-SF | 2.75 ± 1.93 | 1.83 ± 1.72 | 2.69 ± 1.62 | 3.84 ± 1.97 | 17.48** | 3 > 1 |
The listed statistics were mean ± standard deviation (SD) or frequency (percentage).
Abbreviations: NC, Normal control; MCI, Mild cognitive impairment; and GDS-SF, Geriatric Depression Scale-Short Form.
a1. Normal control group; 2. Mild cognitive impairment group; and 3. Dementia group.
*p < 0.05.
**p < 0.001.