Table 3.
Correlation coefficients of the relationships between postural sway measures and study variables.
| Age | MoCA | ABC | Gait speed | FGA | |
|---|---|---|---|---|---|
| Displacement of COP (AP) | |||||
| Feet apart eyes open firm surface | 0.222 | 0.141 | -0.020 | -0.242 | -0.298 |
| Semitandem eyes open firm surface | 0.417∗∗ | 0.002 | -0.085 | -0.176 | -0.296∗ |
| Feet apart eyes closed firm surface | 0.113 | 0.027 | -0.130 | -0.100 | -0.097 |
| Semitandem eyes closed firm surface | 0.338∗ | -0.186 | -0.116 | 0.006 | -0.082 |
| Feet apart eyes open foam surface | 0.371∗∗ | 0.035 | -0.063 | -0.403∗∗ | -0.390∗∗ |
| Semitandem eyes open foam surface | 0.531∗∗ | -0.151 | -0.225 | -0.313∗ | -0.428∗∗ |
| Feet apart eyes closed foam surface | 0.159 | -0.202 | -0.131 | -0.181 | -0.070 |
| Semitandem eyes closed foam surface | 0.526∗∗ | -0.122 | -0.087 | -0.167 | -0.154 |
| Displacement of COP (ML) | |||||
| Feet apart eyes open firm surface | 0.308∗ | 0.146 | -0.026 | -0.142 | -0.261 |
| Semitandem eyes open firm surface | 0.525∗∗ | -0.004 | -0.040 | -0.350∗ | -0.535∗∗ |
| Feet apart eyes closed firm surface | 0.401∗∗ | -0.074 | -0.223 | -0.116 | -0.312∗ |
| Semitandem eyes closed firm surface | 0.498∗∗ | -0.247 | -0.302∗ | -0.020 | -0.314∗ |
| Feet apart eyes open foam surface | 0.566∗∗ | -0.133 | -0.334∗ | -0.309∗ | -0.572∗∗ |
| Semitandem eyes open foam surface | 0.686∗∗ | -0.143 | -0.196 | -0.373∗∗ | -0.513∗∗ |
| Feet apart eyes closed foam surface | 0.707∗∗ | -0.329∗ | -0.419∗∗ | -0.312∗ | -0.535∗∗ |
| Semitandem eyes closed foam surface | 0.663∗∗ | -0.135 | -0.214 | -0.221 | -0.423∗∗ |
∗Significance level ≤ 0.05, ∗∗significance level ≤ 0.01.