Fifteen controls compared with 19 cases of mild cognitive impairment (MCI) with no impairment on the Mann–Whitney U test
| Variable | Controls | No impairment | Mann–Whitney U test | p Value |
|---|---|---|---|---|
| Values are mean (SD). | ||||
| Age (years) | 60.4 (3.5), n = 15 | 59.7 (7.2), n = 19 | 100.5 | NS |
| Education (years) | 10.8 (2.6), n = 15 | 14.5 (2.7), n = 19 | 47.0 | 0.002 |
| Raven’s coloured matrices | 32.0 (2.9), n = 14 | 34.0 (2.1), n = 17 | 68.0 | 0.040 |
| Block design | 28.9 (8.0), n = 15 | 34.9 (8.5), n = 19 | 75.0 | 0.034 |
| Similarities | 20.5 (3.0), n = 15 | 23.6 (1.8), n = 19 | 59.0 | 0.006 |









