Table 2.
Clinical and demographic characteristics of HC individuals and patients with aMCI with normal cCDT scores.
| Group | p-value | ||
|---|---|---|---|
| HC | aMCI | ||
| n | 20 | 24 | |
| Age in years | 66.9 (9.4) | 65.9 (8.5) | =0.836 |
| Years of education | 13.2 (3.2) | 12.5 (2.5) | =0.170 |
| Gender (M/F) | 12/8 | 12/12 | =0.556 |
| MMSE | 29.4 (0.6) | 27.1 (1.6) | <0.001 |
| TMT-A | 38.65 (10.8) | 45.42 (23.8) | =0.089 |
| TMT-B | 85.0 (32.0) | 95.08 (35.5) | =0.336 |
| cCDT | 1.2 (0.4) | 1.5 (0.5) | =0.031 |
| no. CDT Score 1 (%) | 16 (80.0) | 11 (45.8) | |
| no. CDT Score 2 (%) | 4 (20.0) | 13 (54.2) | |
| Time-in-air (ms) | 32315.6 (5633.8) | 54141.8 (17428.1) | <0.001 |
| Time-on-surface (ms) | 15712.8 (3434.5) | 19990.1 (6836.3) | = 0.011 |
| Total-time (ms) | 49228.4 (10358.1) | 74133.1 (20254.3) | <0.001 |
Note: Values are expressed as mean (standard deviation). n, number; HC, healthy control individuals; aMCI, amnestic mild cognitive impairment; M/F, male/female; GDS, Geriatric Depression Scale (higher score indicates more severe depressive symptoms; maximum 15; scores of >5 indicates depression); MMSE, Mini Mental State Examination; TMT, Trail Making Test (part A or B, time in seconds); cCDT, conventional Clock Drawing Test (a score ≥3 is considered as impaired); %, percentage; ms, time in milliseconds.