Table 1 Characteristic of Study Sample (N = 50)
Characteristic | Mean Value (SD) | Range |
|---|---|---|
Age (years) | 72.4 (5.1) | 65–87 |
Male | 73.1 (5.3) | 65–87 |
Female | 71.9 (5.1) | 65–87 |
MoCA score | 27.8 (1.5) | 24–30 |
Number of medications | 0.62 (0.9) | 0–4 |
Number of co-morbidities | 0.48 (0.7) | 0–3 |
Visual Acuity in logMAR (VA) | −0.00 (0.06) | (−0.14) - 0.12 |
MOT (threshold speed, deg./sec.) | 12.1 (4.1) | 5.2–21.8 |
UFV-S (accuracy %) | 36.8 (21.1) | 2.1–83.3 |
UFV-D (accuracy %) | 59.7 (24.4) | 4.2–95.8 |
Low visual demand games | ||
Leg exercise (% correct) | 52.4 (14.1) | 5–78 |
Tai Chi (% correct) | 41.4 (19.8) | 8.2–79.2 |
High visual demand games | ||
Skiing (% accuracy) | 70.8 (10.9) | 42.2–93.8 |
Stomp-it (%) | 36.2 (19.3) | 0–94.1 |
Mobility, mean ± SD | ||
Step length (cm) | 64 (8.2) | 39.2–86.2 |
Step length variability (cm) | 3 (1.1) | 1.4–6.3 |
Step width (cm) | 9.1 (3.4) | 1.8–23 |
Step width variability (cm) | 3.2 (1) | 1.9–6.1 |
Stride length (cm) | 129.7 (16.1) | 80.5–171.7 |
Stride length variability (Right) (cm) | 4.5 (2) | 1.3–11.4 |
Five-meter walking time (secs) | 4.6 (1) | 3.2–8.3 |
Velocity/leg height | 1.2 (0.2) | 0.7–1.6 |
Balance (cm), mean ± SD | ||
ML COP SD | 0.24 (0.1) | 0.09–0.59 |
AP COP SD | 0.37 (0.1) | 0.21–0.74 |
ML COP MAX | 0.59 (0.31) | 0.19–1.68 |
AP COP MAX | 0.96 (0.3) | 0.51–2.28 |
ML COP Range | 1.2 (0.6) | 0.39–3.56 |
AP COP Range | 1.94 (0.69) | 1.04–5.41 |
Cumulative path-length | 213.3 (80.3) | 109.8–572.3 |
One-legged stance test (OLST) (secs) | 73.2 (23.6) | 0–90 |