Table 1.
Characteristics of participants in the four cognitive groups: HC, MCI, GCI, and MCI with GCI.
| - |
HC
(n = 6343) |
MCI
(n = 1601) |
GCI
(n = 367) |
MCI with GCI
(n = 468) |
|---|---|---|---|---|
| Demographic Variables | ||||
| Age (Years) | 73.5 ± 5.4 | 74.9 ± 5.6* | 77.2 ± 5.9*, † | 78.5 ± 5.9*, †, ‡ |
| Education (Years) | 12.0 ± 2.4 | 11.6 ± 2.4* | 10.8 ± 2.2*, † | 10.5 ± 2.2*, † |
| Male, n (%) | 2658 (41.9) | 757 (47.3) | 230 (62.6) | 262 (56.0) |
| Cognitive Performance | ||||
| MMSE (Score) | 27.7 ± 1.9 | 26.8 ± 1.9* | 22.4 ± 0.8*, † | 22.0 ± 1.0*, †, ‡ |
| Impairments Assessed with the NCGG-FAT | ||||
| Word memory, n (%) | - | 548 (34.2) | - | 215 (45.9) |
| Attention, n (%) | - | 474 (29.6) | - | 123 (26.3) |
| Executive function, n (%) | - | 924 (57.7) | - | 351 (75.0) |
| Processing speed, n (%) | - | 160 (10.0) | - | 112 (23.9) |
*, †, ‡: statistically significant (p < 0.01) from HC, MCI, and GCI, respectively.