Demographics and summary outcomes of participants enrolled
| Items | Total (n=458) | AD (n=236) | MCI (n=222) | P |
| Male (N, %) | 180 (39.30) | 109 (46.19) | 71 (31.98) | * |
| Female (N, %) | 278 (60.70) | 127 (53.81) | 151 (68.02) | |
| Age (mean, SD) | 72.99 (9.04) | 75.68 (7.63) | 70.14 (9.55) | * |
| Education | 10.30 (7.08) | 10.54 (9.02) | 10.05 (4.14) | 0.46 |
| MMSE | 20.45 (6.06) | 16.76 (5.31) | 24.36 (4.03) | * |
| NPI | 9.28 (12.18) | 12.28 (13.65) | 6.09 (9.40) | * |
| GDS | 6.37 (5.23) | 6.39 (5.23) | 6.36 (5.23) | 0.95 |
| BNT | 20.05 (6.54) | 17.69 (6.55) | 22.57 (5.53) | * |
| AVLT IR | 14.70 (7.07) | 10.84 (5.75) | 18.80 (5.95) | * |
| AVLT DR | 2.38 (3.23) | 0.71 (1.60) | 4.11 (3.60) | * |
| AVLT CR | 4.24 (3.96) | 1.99 (2.55) | 6.57 (3.86) | * |
| AVLT recognition | 11.64 (4.96) | 10.34 (5.70) | 12.63 (4.25) | * |
| TMT-A | 112.26 (38.41) | 129.34 (30.49) | 94.09 (37.66) | * |
| TMT-B | 226.61 (84.02) | 262.79 (60.99) | 188.15 (88.09) | * |
*P<0.01.
AVLT, auditory verbal learning test; BNT, Boston Naming Test; CR, clue recall; DR, delay recall; GDS, Geriatric Depression Scale; IR, immediate recall; MMSE, Mini-Mental State Examination; NPI, Neuropsychiatric Inventory; TMT, Trail Marking Test.