Table 1.
Overall cognitive performance and score per cognitive domain across cognitive performance groups defined using the TYM in a population‐based study of 1570 older British men aged 71–92 years
| Normal cognitive ageing (n = 801, 51%) | Mild cognitive impairment (n = 636, 41%) | Severe cognitive impairments (n = 133, 8%) | Total sample (n = 1570) | |
|---|---|---|---|---|
| Overall cognitive performance | ||||
| Total TYM score (M ± SD)* | 47.73 ± 1.49 | 41.21 ± 3.13 | 27.43 ± 5.33 | 43.37 ± 6.38 |
| Affected cognitive domains | ||||
| Orientation n (%) with highest score (=10) | 698 (58%) | 438 (36%) | 66 (5%) | 1202 (77%) |
| Copying n (%) with highest score (=2) | 778 (55%) | 556 (39%) | 77 (5%) | 1411 (90%) |
| Semantic knowledge n (%) with highest score (=3) | 574 (67%) | 241 (28%) | 37 (4%) | 852 (54%) |
| Calculation n (%) with highest score (=4) | 630 (58%) | 399 (37%) | 55 (5%) | 1084 (69%) |
| Fluency n (%) with highest score (=4) | 661 (69%) | 276 (29%) | 24 (3%) | 961 (61%) |
| Similarities n (%) with highest score (=4) | 653 (65%) | 318 (32%) | 29 (3%) | 1000 (64%) |
| Naming n (%) with highest score (=5) | 719 (57%) | 497 (39%) | 48 (4%) | 1264 (81%) |
| Visuospatial 1 n (%) with highest score (=3) | 719 (62%) | 418 (36%) | 19 (2%) | 1156 (74%) |
| Visuospatial 2 n (%) with highest score (=4) | 712 (63%) | 390 (35%) | 29 (3%) | 1131 (72%) |
| Anterograde memory n (%) with highest score (=6) | 504 (78%) | 142 (22%) | 1 (0%) | 647 (41%) |
TYM; Test Your Memory.
*
p < 0.001.