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. 2020 Apr 9;20(7):2114. doi: 10.3390/s20072114

Table 2.

Intraclass correlation coefficients (ICCs) depicting agreement between trakSTAR and DataSpoon, with 95% confidence interval (square brackets) and significance level below. ICC values higher than 0.8 (excellent agreement) are in bold.

Measure Natural Grip Power Grip Rotated Power Grip
Slow Comfortable Fast Slow Comfortable Fast Slow Comfortable Fast
Duration of Movement to Mouth 0.99
[0.99, 1.00]
<0.01
0.99
[0.97, 0.99]
<0.01
0.86
[0.66, 0.94]
<0.01
0.95
[0.90, 0.98]
<0.01
0.85
[0.66, 0.93]
<0.01
0.86
[0.66, 0.94]
<0.01
0.97
[0.92, 0.98]
<0.01
0.98
[0.95, 0.99]
<0.01
0.88
[0.77, 0.94]
<0.01
Duration of Movement from Mouth 0.87
[0.74, 0.94]
<0.01
0.83
[0.89, 0.98]
<0.01
0.55
[0.16, 0.79]
<0.01
0.90
[0.79, 0.95]
<0.01
0.88
[0.74, 0.94]
<0.01
0.50
[0.06, 0.77]
0.02
0.95
[0.89, 0.98]
<0.01
0.83
[0.67, 0.92]
<0.01
0.89
[0.77, 0.95]
<0.01
Duration of Movement (total) 0.97
[0.93, 0.98]
<0.01
0.99
[0.97, 0.99]
<0.01
0.91
[0.80, 0.96]
<0.01
0.94
[0.86, 0.97]
<0.01
0.94
[0.87, 0.97]
<0.01
0.87
[0.69, 0.95]
<0.01
0.96
[0.89, 0.98]
<0.01
0.94
[0.87, 0.97]
<0.01
0.97
[0.93, 0.98]
<0.01
Range of Pitch 0.86
[0.70, 0.93]
<0.01
0.81
[0.62, 0.91]
<0.01
0.62
[0.27, 0.83]
<0.01
0.75
[0.52, 0.88]
<0.01
0.64
[0.32, 0.83]
<0.01
0.90
[0.75, 0.96]
<0.01
0.87
[0.73, 0.94]
<0.01
0.92
[0.83, 0.96]
<0.01
0.92
[0.84, 0.96]
<0.01
Range of Roll 0.93
[0.85, 0.97]
<0.01
0.98
[0.96, 0.99]
<0.01
0.50
[0.10, 0.76]
0.01
0.79
[0.58, 0.90]
<0.01
0.97
[0.93, 0.99]
<0.01
0.85
[0.65, 0.94]
<0.01
0.95
[0.84, 0.98]
<0.01
0.97
[0.94, 0.99]
<0.01
0.94
[0.88, 0.97]
<0.01
Peak Velocity to Mouth 0.24
[−0.10, 0.59]
<0.01
0.21
[−0.06, 0.57]
<0.01
0.07
[−0.25, 0.43]
0.35
0.21
[−0.10, 0.52]
0.04
0.05
[−0.15, 0.32]
0.33
0.37
[−0.08, 0.71]
<0.01
0.07
[−0.28, 0.42]
0.36
−0.03
[−0.14, 0.16]
0.66
0.00
[−0.10, 0.16]
0.50
Peak Velocity Down 0.07
[−0.10, 0.30]
0.21
0.09
[−0.05, 0.35]
0.01
0.06
[−0.07, 0.29]
0.16
0.06
[−0.07, 0.26]
0.16
0.07
[−0.07, 0.30]
0.11
0.28
[−0.11, 0.65]
<0.01
0.10
[−0.09, 0.36]
0.12
0.07
[−0.08, 0.30]
0.13
0.08
[−0.08, 0.30]
0.13
Fluency - Acceleration Zero Crossing (total) 0.14
[−0.26, 0.50]
0.25
0.41
[0.04, 0.68]
<0.01
0.21
[−0.13, 0.54]
0.12
0.00
[−0.32, 0.35]
0.50
0.45
[0.07, 0.72]
0.01
0.26
[−0.21, 0.63]
0.14
−0.11
[−0.48, 0.29]
0.70
0.36
[−0.02, 0.65]
<0.01
0.14
[−0.13, 0.43]
0.15