Table 7.
Test conditions | Variables | Intrasession | Intersession | ||||||
---|---|---|---|---|---|---|---|---|---|
test | retest | ||||||||
ICC | ICC | ICC | SEM | MMDC | CV | ||||
Single task | Eyes open | Without Vibration | ML | 0.66 | 0.73 | 0.67 (0.24, 0.88) | 0.13 | 0.37 | 12.89 |
AP | 0.76 | 0.68 | 0.62 (0.16, 0.86) | 0.28 | 0.78 | 18 | |||
mV | 0.80 | 0.84 | 0.67 (0.24, 0.88) | 0.17 | 0.48 | 15.93 | |||
Area | 0.51 | 0.50 | 0.63 (0.17, 0.86) | 0.68 | 1.89 | 37.17 | |||
With Vibration | ML | 0.71 | 0.70 | 0.43 (-0.10, 0.77) | 0.25 | 0.69 | 12.84 | ||
AP | 0.67 | 0.72 | 0.41 (-0.13, 0.76) | 0.47 | 1.29 | 15.06 | |||
mV | 0.91 | 0.81 | 0.76 (0.41, 0.92) | 0.19 | 0.52 | 20.60 | |||
Area | 0.69 | 0.72 | 0.45 (-0.09, 0.78) | 1.39 | 3.86 | 36.46 | |||
Eyes closed | Without Vibration | ML | 0.83 | 0.88 | 0.95 (0.85, 0.98) | 0.07 | 0.20 | 30 | |
AP | 0.71 | 0.70 | 0.35 (-0.20, 0.73) | 0.99 | 2.75 | 18.26 | |||
mV | 0.87 | 0.87 | 0.79 (0.46, 0.93) | 0.41 | 1.14 | 25.82 | |||
Area | 0.53 | 0.53 | 0.56 (0.07, 0.84) | 1.57 | 4.34 | 28.52 | |||
With Vibration | ML | 0.70 | 0.77 | 0.70 (0.29, 0.89) | 0.29 | 0.81 | 17.24 | ||
AP | 0.66 | 0.71 | 0.40 (-0.14, 0.76) | 1.12 | 3.10 | 20.34 | |||
mV | 0.80 | 0.93 | 0.68 (0.26, 0.89) | 0.60 | 1.65 | 22.57 | |||
Area | 0.53 | 0.53 | 0.52 (0.01, 0.82) | 2.07 | 5.73 | 27.43 | |||
Dual task | Eyes open | Without Vibration | ML | 0.70 | 0.69 | 0.67 (0.24, 0.88) | 0.15 | 0.42 | 14.94 |
AP | 0.73 | 0.69 | 0.40 (-0.14, 0.76) | 0.43 | 1.20 | 16.66 | |||
mV | 0.73 | 0.70 | 0.61 (0.15, 0.86) | 0.18 | 0.51 | 14.18 | |||
Area | 0.62 | 0.60 | 0.58 (0.09, 0.84) | 0.66 | 1.84 | 40.30 | |||
With Vibration | ML | 0.77 | 0.72 | 0.53 (0.02, 0.82) | 0.19 | 0.53 | 11.76 | ||
AP | 0.68 | 0.63 | 0.60 (0.12, 0.85) | 0.38 | 1.05 | 18.15 | |||
mV | 0.83 | 0.75 | 0.78 (0.44, 0.92) | 0.13 | 0.36 | 15.69 | |||
Area | 0.56 | 0.51 | 0.34 (-0.21, 0.73) | 1.05 | 2.90 | 30.43 | |||
Eyes closed | Without Vibration | ML | 0.73 | 0.75 | 0.73 (0.34, 0.90) | 0.18 | 0.51 | 13.92 | |
AP | 0.76 | 0.73 | 0.71 (0.31, 0.90) | 0.42 | 1.16 | 21.22 | |||
mV | 0.82 | 0.92 | 0.72 (0.33, 0.90) | 0.45 | 1.23 | 21.29 | |||
Area | 0.53 | 0.56 | 0.50 (-0.02, 0.81) | 1.96 | 5.43 | 33.36 | |||
With Vibration | ML | 0.69 | 0.69 | 0.50 (-0.02, 0.81) | 0.30 | 0.84 | 10.22 | ||
AP | 0.70 | 0.73 | 0.36 (-0.19, 0.74) | 1.04 | 2.89 | 18.78 | |||
mV | 0.79 | 0.80 | 0.60 (0.13, 0.85) | 0.56 | 1.55 | 15.92 | |||
Area | 0.57 | 0.54 | 0.21 (-0.34, 0.65) | 2.51 | 6.95 | 21.31 |
ICC: Intraclass correlation coefficient, SEM: standard error of measurement, MMDC: minimal metrically detectable change, CV: coefficient of variation, ML: range of medial-lateral, AP: range of anterior-posterior, mV: mean velocity.