Table 1.
Descriptive Statistics of the Study Sample.
| Number (%) Female | Total Sample (n = 82) 41 (50) |
Control (n = 71) 36 (50.7) |
MCI (n = 11) 5 (45.5) |
|---|---|---|---|
| Variable | M (SD) | M (SD) | M (SD) |
| Age | 77.01 (5.99) | 76.82 (6.21) | 78.27 (4.31) |
| GHS | 0.83 (1.06) | 0.83 (1.08) | 0.82 (0.98) |
| Education | 14.84 (2.94) | 15.00 (2.86) | 13.82 (3.40) |
| RBANS Total: | 94.10 (11.45) | 95.58 (11.00) | 84.55 (9.96) |
| RBANS Index Scores | |||
| Immediate Memory | 102.48 (12.69) | 103.65 (11.70) | 94.91 (16.54) |
| Visual/Spatial/Construction | 90.68 (11.74) | 91.32 (11.62) | 86.55 (12.29) |
| Attention | 101.53 (14.13) | 102.85 (13.84) | 91.11 (12.56) |
| Language | 94.58 (9.53) | 95.41 (9.61) | 89.27 (7.33) |
| Delayed Memory | 96.48 (11.21) | 97.28 (11.28) | 91.27 (9.62) |
| GDS | 4.40 (3.35) | 4.32 (3.30) | 4.91 (3.78) |
| Stride Velocity STW | 72.71 (16.79) | 74.14 (15.55) | 62.24 (22.39) |
| Stride Velocity DTW | 61.66 (16.31) | 62.99 (16.36) | 51.96 (12.83) |
| Error Letter Generation: Alpha | 0.44 (0.54) | 0.38 (0.51) | 0.84 (0.61) |
| Error Letter Generation: DTW | 1.15 (0.97) | 1.14 (1.01) | 1.19 (0.59) |
| HbO2 STW | 0.20 (1.00) | 0.21 (0.98) | 0.08 (1.12) |
| HbO2 Alpha | 0.93 (0.93) | 0.90 (0.94) | 1.17 (0.83) |
| HbO2 DTW | 0.97 (1.54) | 1.04 (1.49) | 0.41 (1.84) |
GHS: global health score; RBANS: repeatable battery for the assessment of neuropsychological status; GDS: Geriatric Depression Scale; Error Letter Generation: rate of errors per task completion time; STW: single-task walk; DTW: dual-task-walk; HbO2: Oxygenated Hemoglobin.