Domain/gait characteristic | BWM Lab | BWM free-living | ||||
---|---|---|---|---|---|---|
CL (n = 50) | PD (n = 47) | p | CL (n = 50) | PD (n = 47) | p | |
Pace | ||||||
Step Velocity (m/s) | 1.393 ± 0.207 | 1.254 ± 0.211 | 0.002 | 1.097 (0.48) | 1.017 (0.426) | <0.001 |
Step Length (m) | 0.726 ± 0.095 | 0.667 ± 0.073 | 0.001 | 0.601 (0.183) | 0.578 (0.243) | <0.001 |
Swing Time Var (s) | 0.018 (0.113) | 0.025 (0.103) | 0.051 | 0.147 (0.125) | 0.151 (0.134) | 0.014 |
Variability (SD) | ||||||
Step Velocity Var (m/s) | 0.073 (0.301) | 0.081 (0.223) | 0.253 | 0.383 (0.494) | 0.362 (0.221) | 0.070 |
Step Length Var (m) | 0.033 (0.096) | 0.039 (0.094) | 0.050 | 0.151 (0.079) | 0.152 (0.091) | 0.660 |
Step Time Var (s) | 0.019 (0.109) | 0.028 (0.085) | 0.037 | 0.175 (0.156) | 0.181 (0.179) | 0.037 |
Stance Time Var (s) | 0.022 (0.109) | 0.029 (0.092) | 0.088 | 0.188 (0.161) | 0.196 (0.249) | 0.034 |
Rhythm | ||||||
Step Time (s) | 0.525 ± 0.047 | 0.539 ± 0.058 | 0.206 | 0.593 (0.144) | 0.605 (0.318) | 0.017 |
Swing Time (s) | 0.371 ± 0.040 | 0.388 ± 0.055 | 0.092 | 0.449 (0.113) | 0.458 (0.252) | 0.008 |
Stance Time (s) | 0.679 ± 0.061 | 0.689 ± 0.069 | 0.450 | 0.741 (0.166) | 0.756 (0.434) | 0.035 |
Asymmetry | ||||||
Step Time Asy (s) | 0.007 (0.140) | 0.009 (0.057) | 0.268 | 0.093 (0.086) | 0.098 (0.142) | 0.116 |
Swing Time Asy (s) | 0.010 (0.126) | 0.007 (0.055) | 0.473 | 0.084 (0.064) | 0.091 (0.133) | 0.013 |
Stance Time Asy (s) | 0.007 (0.140) | 0.006 (0.035) | 0.665 | 0.094 (0.086) | 0.100 (0.131) | 0.097 |
Postural Control | ||||||
Step Length Asy (m) | 0.007 (0.060) | 0.009 (0.086) | 0.845 | 0.081 (0.043) | 0.088 (0.070) | 0.004 |