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Table 4 Test-retest reliability, mean, Standard Deviation (SD), of all other parameters from iTUG

From: Reliability of inertial sensors in the assessment of patients with vestibular disorders: a feasibility study

Parameters

Control group

Patients group

Mean ± SD

Test1

Test2

B/W

Mean ± SD

Test1

Test2

B/W

 

ICC

ICC

ICC

 

ICC (1,1)

ICC

ICC

  

(1,1)

(1,1)

(2,1)

  

(1,1)

(2,1)

Stride velocity (m/s)

1.35 ± 0.13

0.96

0.95

0.88

1.04 ± 0.19

0.77

0.98

0.77

Double support (%)

20.66 ± 3.16

0.89

0.87

0.68

27.09 ± 7.70

0.71

0.96

0.70

Swing (%)

39.67 ± 1.58

0.89

0.87

0.68

36.45 ± 3.85

0.71

0.96

0.70

Stance (%)

60.33 ± 1.58

0.89

0.87

0.68

63.55 ± 3.85

0.71

0.96

0.70

RoM trunk frontal (deg.)

17.11 ± 8.34

0.99

0.99

0.62

9.58 ± 3.40

0.92

0.87

0.71

Gait cycle time(s)

1.12 ± 0.10

0.98

0.96

0.90

1.24 ± 0.23

0.66

0.96

0.78

Peak arm swing velocity (deg./s)

167.91 ± 42.7

0.89

0.84

0.79

148.79 ± 55.55

0.8

0.92

0.71

RoM arm (deg.)

21.23 ± 8.84

0.89

0.92

0.68

18.85 ± 9.06

0.9

0.92

0.78

RoM trunk sagittal (deg.)

6.27 ± 2.24

0.92

0.97

0.40

5.00 ± 1.64

0.89

0.92

0.75

Peak horizontal trunk velocity (deg./s)

20.34 ± 7.20

0.96

0.93

0.83

25.89 ± 11.34

0.98

0.9

0.71

Peak sagittal trunk velocity (deg./s)

30.47 ± 5.94

0.89

0.90

0.67

26.95 ± 12.21

0.91

0.97

0.67

Peak frontal trunk velocity (deg./.s)

45.02 ± 14.15

0.98

0.97

0.75

35.85 ± 13.80

0.92

0.97

0.80

Turning

Turn duration (s)

1.93 ± 0.36

0.60

0.71

0.41

3.48 ± 1.85

0.58

0.92

0.70

Turn number of steps

3.78 ± 0.80

0.38

0.24

0.21

5.36 ± 1.91

0.48

0.75

0.58

Turn peak velocity(deg./s)

171.69 ± 26.3

0.45

0.70

0.37

114.12 ± 36.46

0.81

0.91

0.75

Turn step time (s)

0.63 ± 0.09

0.61

0.36

0.53

0.79 ± 0.28

0.59

0.72

0.55

Turn step time before turn (s)

0.57 ± 0.05

0.88

0.82

0.81

0.66 ± 0.18

0.46

0.84

0.52

Sit to stand

Duration (s)

2.30 ± 0.72

−0.03

0.26

0.04

2.72 ± 1.62

0.17

0.27

0.26

Peak velocity (deg./s)

97.45 ± 24.13

0.52

0.72

0.54

91.29 ± 38.21

0.44

0.41

0.26

RoM trunk (deg.)

38.01 ± 7.81

0.51

0.72

0.61

32.61 ± 9.52

0.55

0.81

0.40

Turn to sit

Turn to sit Duration (s)

3.89 ± 0.72

0.59

0.63

0.48

5.21 ± 2.13

0.6

0.88

0.72

Turn to sit RoM trunk (deg.)

24.97 ± 8.55

0.90

0.82

0.58

24.60 ± 7.86

0.71

0.77

0.59