Table 5.
Test conditions | Variables | Test | Retest | |||||
---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | P | ||||
Single task | Eyes open | Without Vibration | ML | 2.51 | 0.40 | 2.62 | 0.40 | 0.48 |
AP | 3.60 | 0.85 | 3.40 | 0.62 | 0.50 | |||
mV | 3.11 | 0.61 | 2.80 | 0.41 | 0.14 | |||
Area | 4.46 | 2.10 | 4.05 | 1.58 | 0.56 | |||
With Vibration | ML | 2.64 | 0.43 | 2.51 | 0.44 | 0.44 | ||
AP | 3.97 | 0.76 | 3.74 | 0.82 | 0.46 | |||
mV | 3.48 | 0.98 | 3.13 | 0.59 | 0.26 | |||
Area | 4.93 | 3.03 | 4.23 | 2.01 | 0.48 | |||
Eyes closed | Without Vibration | ML | 5.07 | 1.60 | 4.75 | 1.38 | 0.57 | |
AP | 6.79 | 1.85 | 6.13 | 1.17 | 0.27 | |||
mV | 7.34 | 2.17 | 6.62 | 1.72 | 0.34 | |||
Area | 10.10 | 3.23 | 9.47 | 3.94 | 0.65 | |||
With Vibration | ML | 5.29 | 1.29 | 4.58 | 0.66 | 0.08 | ||
AP | 6.91 | 1.98 | 6.96 | 1.76 | 0.94 | |||
mV | 8.20 | 2.02 | 7.04 | 1.70 | 0.11 | |||
Area | 12.27 | 4.44 | 10.79 | 4.22 | 0.37 | |||
Dual task | Eyes open | Without Vibration | ML | 2.64 | 0.49 | 2.59 | 0.42 | 0.77 |
AP | 3.33 | 0.75 | 3.39 | 0.70 | 0.84 | |||
mV | 3.07 | 0.54 | 2.86 | 0.40 | 0.26 | |||
Area | 3.69 | 1.51 | 2.82 | 1.61 | 0.16 | |||
With Vibration | ML | 2.64 | 0.41 | 2.46 | 0.39 | 0.23 | ||
AP | 3.96 | 1.06 | 3.88 | 0.81 | 0.81 | |||
mV | 3.36 | 0.71 | 3.15 | 0.45 | 0.35 | |||
Area | 4.22 | 1.67 | 3.62 | 1.48 | 0.33 | |||
Eyes closed | Without Vibration | ML | 4.56 | 0.63 | 4.21 | 0.71 | 0.18 | |
AP | 5.77 | 1.50 | 5.64 | 1.40 | 0.81 | |||
mV | 6.73 | 1.37 | 6.24 | 1.82 | 0.43 | |||
Area | 10.70 | 4.33 | 8.72 | 3.46 | 0.19 | |||
With Vibration | ML | 4.50 | 0.61 | 4.51 | 0.59 | 0.95 | ||
AP | 6.52 | 1.81 | 6.70 | 1.42 | 0.77 | |||
mV | 7.14 | 1.41 | 7.31 | 1.39 | 0.75 | |||
Area | 8.53 | 3.04 | 9.41 | 3.31 | 0.47 |
SD: standard deviation; P: p-values of paired t-test on test-retest differences, ML: range of medial-lateral, AP: range of anterior-posterior; mV: mean velocity.