Table 1.
Demographic characteristics of the sample.
| Time point | Diagnostic group | No. of subjects (male) | Age mean (SD) | Years of Edu mean (SD) | MMSE score mean (SD) |
|---|---|---|---|---|---|
| Baseline | Total | 184 (91) | 77.48 (4.40) | 11.79 (3.60) | 28.16 (1.32) |
| CN | 117 (56) | 77.12 (4.43) | 11.93 (3.53) | 28.39 (1.23) | |
| aMCI | 40 (28) | 78.36 (4.11) | 11.81 (3.96) | 27.58 (1.32) | |
| naMCI | 27 (7) | 77.76 (4.65) | 11.14 (3.42) | 28.00 (1.44) | |
| Wave-2 | Total | 184 (91) | 79.38 (4.40) | 11.79 (3.60) | 28.40 (1.41) |
| CN | 115 (53) | 78.78 (4.15) | 12.06 (3.42) | 28.83 (1.16) | |
| aMCI | 42 (30) | 81.26 (4.98) | 11.87 (4.16) | 27.64 (1.59) | |
| naMCI | 27 (8) | 79.03 (3.72) | 10.49 (3.27) | 27.78 (1.40) |
CN, cognitively normal; aMCI, amnestic mild cognitive impairment (MCI); naMCI, non-amnestic MCI; Edu, education, MMSE, Mini-mental state examination.