Table 2.
Comparison of the participants’ cognitive performance and functional status between the two groups
| Motoric cognitive risk syndrome (n = 33) | Mild cognitive impairmenta (n = 44) | P value | ||
|---|---|---|---|---|
| Executive function | ||||
| TMT-A (s) | 30.0 ± 16.3 | 21.9 ± 16.2 | 0.034 | |
| TMT-B (s) | 75.2 ± 39.1 | 59.0 ± 34.6 | 0.043 | |
| Category fluency test | 10.8 ± 3.3 | 13.4 ± 3.9 | 0.003 | |
| Attention and working memory | ||||
| Digit recall forwards | 7.2 ± 1.4 | 7.3 ± 1.6 | 0.764 | |
| Digit recall backwards | 3.5 ± 1.1 | 4.3 ± 1.7 | 0.016 | |
| Episode memory | ||||
| California Verbal Learning Test-short form | 17.6 ± 5.0 | 20.1 ± 5.2 | 0.030 | |
| Visuospatial performance | ||||
| Judgment of Line Orientation | 13.2 ± 4.1 | 13.8 ± 3.2 | 0.522 | |
| Language | ||||
| Boston Naming Test | 20.9 ± 5.3 | 23.6 ± 4.9 | 0.027 | |
| Depression | ||||
| Geriatric Depression Scale-15 | 3.9 ± 3.7 | 2.1 ± 2.6 | 0.028 | |
| Physical function | ||||
| Barthel Index | 96.1 ± 10.8 | 99.9 ± 0.8 | 0.057 | |
| IADL | 20.7 ± 5.3 | 22.3 ± 3.9 | 0.150 | |
| Tinetti gait | 10.9 ± 2.0 | 11.9 ± 0.6 | 0.010 | |
| Tinetti balance | 14.2 ± 3.4 | 15.6 ± 1.1 | 0.028 | |
| Timed Up and Go test (s) | 22.7 ± 13.4 | 13.4 ± 3.1 | < 0.001 | |
Abbreviations: TMT Trail Making Test, IADL Instrumental Activities of Daily Living
aAll participants in the MCI group did not have slow gait speed [1 standard deviation (SD) below the mean age- and sex-specific gait speed]