Table 1 Concurrent validity between proposed and reference system for spatial and temporal gait parameters
From: The validity of spatiotemporal gait analysis using dual laser range sensors: a cross-sectional study
|  | Proposed system mean ± SD | Reference system mean ± SD | Absolute error mean ± SD | Percentage of error (%) mean ± SD | ICC (2,1) [95% CI] | 95% LoA |
|---|---|---|---|---|---|---|
Stance time (s) | 0.744 ± 0.181 | 0.749 ± 0.136 | 0.087 ± 0.075 | 11.73 ± 9.92 | 0.74 [0.67 to 0.80] | −0.23 to 0.22 |
Swing time (s) | 0.420 ± 0.069 | 0.462 ± 0.055 | 0.066 ± 0.055 | 14.24 ± 11.61 | 0.23 [0.22 to 0.42] | −0.19 to 0.11 |
Double support time (s) | 0.188 ± 0.092 | 0.146 ± 0.057 | 0.062 ± 0.045 | 47.40 ± 38.46 | 0.56 [0.26 to 0.73] | −0.09 to 0.17 |
Stride time (s) | 1.205 ± 0.192 | 1.208 ± 0.189 | 0.064 ± 0.061 | 5.41 ± 5.19 | 0.89 [0.83 to 0.94] | −0.18 to 0.17 |
Stride length (cm) | 113.1 ± 18.48 | 114.04 ± 15.97 | 7.81 ± 6.34 | 6.75 ± 5.25 | 0.83 [0.74 to 0.89] | −20.66 to 18.77 |
Step length (cm) | 57.87 ± 10.48 | 57.78 ± 8.73 | 5.60 ± 4.75 | 9.50 ± 7.59 | 0.71 [0.60 to 0.79] | −14.33 to 14.51 |