Variable
|
Median (IQR)
|
Correlations/agreements
|
---|
|
Time point 1
|
Time point 2
|
Median difference (%)
|
ICC
|
LoA % (95% LoA)
|
r
|
---|
Mean
|
Step velocity (m/s)
|
1.08 (0.40)
|
1.08 (0.345)
|
0 (0%)
|
0.534*
|
1.0 (0.34, −0.30)
|
0.547**
|
Step length (m)
|
0.657 (0.113)
|
0.642 (0.140)
|
−0.015 (−2%)
|
0.419
|
1.0 (0.31, −0.32)
|
0.572**
|
Step time (s)
|
0.600 (0.130)
|
0.601 (0.123)
|
−0.001(0.2%)
|
0.844**
|
1.0 (0.28, −0.3)
|
0.941**
|
Swing time (s)
|
0.485 (0.174)
|
0.467 (0.117)
|
−0.018 (−4%)
|
0.858**
|
1.0 (0.24, −0.28)
|
0.926**
|
Stance time (s)
|
0.743 (0.136)
|
0.740 (0.130)
|
−0.003 (−0.4%)
|
0.819**
|
0.78 (0.32, −0.34)
|
0.930**
|
Variability
|
Step velocity (m/s)
|
0.150 (0.053)
|
0.162 (0.130)
|
0.012 (7%)
|
0.343
|
3.7 (0.33, −0.26)
|
0.427*
|
Step length (m)
|
0.082 (0.077)
|
0.123 (0.131)
|
0.041 (33%)
|
0.632**
|
2.8 (0.21, −0.13)
|
0.693**
|
Step time (s)
|
0.056 (0.097)
|
0.082 (0.208)
|
0.026 (32%)
|
0.777**
|
4.17 (0.36, −0.24)
|
0.886**
|
Swing time (s)
|
0.063 (0.098)
|
0.082 (0.168)
|
0.019 (23%)
|
0.793**
|
4.1(0.33, −0.23)
|
0.901**
|
Stance time (s)
|
0.062 (0.104)
|
0.087 (0.195)
|
0.025 (29%)
|
0.784**
|
4 (0.36, −0.24)
|
0.909**
|
Asymmetry
|
Step length (m)
|
0.084 (0.216)
|
0.106 (0.125)
|
0.022 (21%)
|
−0.194
|
5.1 (0.36, −0.32)
|
0.015
|
Step time (s)
|
0.045 (0.085)
|
0.036 (0.077)
|
0.009 (25%)
|
0.813**
|
3.6 (0.14, −0.12)
|
0.628**
|
Swing time (s)
|
0.044 (0.077)
|
0.035 (0.082)
|
−0.009 (26%)
|
0.857**
|
3.3 (0.12, −0.10)
|
0.545**
|
Stance time (s)
|
0.045 (0.087)
|
0.042 (0.075)
|
−0.003 (7%)
|
0.857**
|
3.2 (0.11, −0.11)
|
0.525**
|
-
T1 Time point 1, T2 Time point 2, IQR Interquartile range, ICC Intraclass correlation coefficient, LoA% limits of agreement as a percentage of the mean of the two systems, r Spearman’s rank correlation coefficient
- **p ≤ 0.01 *p ≤ 0.05