Table 5 Test-retest reliability, mean, Standard Deviation (SD), of all other parameters from iSway

RMS sway AP (ms-2)

0.066 ± 0.032

0.63

0.64

0.55

0.157 ± 0.13

0.82

0.87

0.77

Mean distance AP (mm)

0.053 ± 0.026

0.64

0.67

0.56

0.121 ± 0.09

0.84

0.86

0.79

@95circle sway area (m2/s4)

0.060 ± 0.071

0.56

0.25

0.27

0.70 ± 1.36

0.70

0.86

0.73

@95ellipse sway area (m2/s4)

0.033 ± 0.039

0.53

0.24

0.28

0.48 ± 0.91

0.65

0.80

0.70

Mean velocity AP (ms-1)

0.131 ± 0.091

0.35

0.29

0.30

0.24 ± 0.23

0.46

0.67

0.41

Mean velocity (ms-1)

0.141 ± 0.092

0.42

0.31

0.34

0.28 ± 0.25

0.50

0.79

0.48

Mean velocity ML(ms-1)

0.035 ± 0.023

0.20

0.39

0.26

0.10 ± 0.10

0.63

0.66

0.55

Range of acceleration AP (ms-2)

0.348 ± 0.218

0.43

0.07

0.28

0.95 ± 0.81

0.78

0.82

0.73

Normalized jerk APAD

1.143 ± 0.293

0.38

0.43

0.42

1.34 ± 0.54

0.80

0.71

0.73

Normalized jerk AD

4.89 ± 1.096

0.43

0.45

0.45

5.34 ± 1.84

0.78

0.78

0.74

Normalized jerk MLAD

2.15 ± 0.663

0.54

0.63

0.49

1.82 ± 0.53

0.62

0.61

0.56

Mean frequency ML (Hz)

1.142 ± 0.416

0.70

0.76

0.57

1.03 ± 0.39

0.82

0.84

0.78

Centroidal frequency AP (Hz)

0.595 ± 0.242

0.37

0.59

0.49

0.7 ± 0.39

0.90

0.81

0.77

Centroidal frequency ML(Hz)

1.163 ± 0.363

0.72

0.8

0.51

1.08 ± 0.35

0.71

0.70

0.67

Frequency dispersion AP AD

0.801 ± 0.054

0.17

0.07

0.19

0.78 ± 0.07

0.61

0.61

0.55

Frequency dispersion AD

0.762 ± 0.048

0.35

0.13

0.07

0.74 ± 0.06

0.37

0.30

0.26

Frequency dispersion ML AD

0.705 ± 0.095

0.50

0.57

0.39

0.68 ± 0.10

0.65

0.75

0.65

@95frequencyAP (Hz)

1.444 ± 0.612

0.39

0.76

0.54

1.60 ± 0.76

0.88

0.8

0.68

@95frequency (Hz)

1.856 ± .557

0.36

0.72

0.52

1.99 ± 0.62

0.73

0.67

0.60

@95frequencyML (Hz)

2.601 ± 0.523

0.70

0.80

0.52

2.39 ± 0.56

0.64

0.60

0.55

Total power AP ((ms-2)2*Hz-1)

1.792 ± 1.950

0.55

0.61

0.38

16.03 ± 26.80

0.73

0.55

0.62

Median frequency AP (Hz)

0.348 ± 0.162

0.16

0.01

0.22

0.44 ± 0.34

0.6

0.73

0.68

Median frequency (Hz)

0.425 ± 0.105

0.32

0.12

0.25

0.49 ± 0.16

0.63

0.45

0.51

Median frequency ML (Hz)

0.719 ± 0.419

0.54

0.59

0.39

0.74 ± 0.43

0.63

0.75

0.66

High frequency power ML((ms-2)2*Hz-1)

54.059 ± 21.90

0.68

0.78

0.60

38.39 ± 26.50

0.93

0.85

0.74

Low frequency power ML ((ms-2)2*Hz-1)

251.92 ± 71.5

0.67

0.78

0.59

303.49 ± 86.9

0.93

0.85

0.74