From: ISway: a sensitive, valid and reliable measure of postural control
 | COP | ACC | Correlation | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Control | PD | p values | Control | PD | p values | r | p | |||||
Mean | SEM | Mean | SEM | Mean | SEM | Mean | SEM | |||||
Jerk | Â | Â | Â | Â | NA | 0.241 | 0.023 | 0.394 | 0.053 | 0.0003 | Â | Â |
Trajectory Measures | ||||||||||||
DIST | 4.370 | 0.329 | 6.261 | 0.423 | 0.002 | 0.062 | 0.005 | 0.088 | 0.010 | 0.02 | 0.73 | 0.0001 |
RMS | 5.141 | 0.371 | 7.329 | 0.552 | 0.003 | 0.073 | 0.006 | 0.106 | 0.012 | 0.02 | 0.74 | 0.0000 |
PATH | 944.015 | 89.277 | 817.707 | 62.661 | 0.25 | 17.183 | 1.028 | 22.035 | 2.128 | 0.05 | 0.46 | 0.200 |
RANGE | 32.247 | 2.750 | 40.824 | 3.385 | 0.06 | 0.421 | 0.031 | 0.610 | 0.065 | 0.01 | 0.64 | 0.0007 |
MV | 7.867 | 0.744 | 6.814 | 0.522 | 0.26 | 1.328 | 0.229 | 1.789 | 0.241 | 0.18 | 0.12 | 0.56 |
MF | 0.290 | 0.018 | 0.181 | 0.016 | 0.0001 | 0.393 | 0.029 | 0.378 | 0.045 | 0.78 | 0.33 | 0.11 |
Area Measures | ||||||||||||
AREA | 10.699 | 1.581 | 13.138 | 2.121 | 0.36 | 0.002 | 0.0003 | 0.005 | 0.001 | 0.004 | 0.68 | 0.002 |
Frequency Measures | ||||||||||||
PWR | 9870.8 | 1761.7 | 12966.1 | 1585.1 | 0.2 | 2.009 | 0.269 | 3.178 | 0.479 | 0.04 | 0.41 | 0.05 |
F50 | 0.410 | 0.015 | 0.298 | 0.012 | 0.00009 | 0.385 | 0.014 | 0.305 | 0.012 | 0.0003 | 0.86 | 0.000001 |
F95 | 1.518 | 0.069 | 0.990 | 0.057 | 0.0007 | 1.849 | 0.121 | 1.523 | 0.128 | 0.07 | 0.49 | 0.01 |
CF | 0.666 | 0.032 | 0.451 | 0.023 | 0.0002 | 0.722 | 0.043 | 0.591 | 0.038 | 0.03 | 0.47 | 0.02 |
FD | 0.767 | 0.009 | 0.827 | 0.009 | 0.00005 | 0.777 | 0.009 | 0.839 | 0.008 | 0.0003 | 0.89 | 0.000001 |