Table 2.
Measurements of each gait parameter
| Parameter | Patients | Controls | t-value | p-value | ||
|---|---|---|---|---|---|---|
| Mean ± SD | ICC (1, 1) (95% CI) | Mean ± SD | ICC (1,1) (95% CI) | |||
| Velocity (m/s) | 0.96 ± 0.27 a | 0.96 (0.95–0.97) | 1.34 ± 0.13 | 0.87 (0.82–0.91) | 9.922 | <0.001 |
| Cadence (step/min) | 112.1 ± 11.5 a | 0.68 (0.60–0.77) | 116.9 ± 7.7 | 0.90 (0.86–0.93) | 2.545 | 0.012 |
| Step length (m) | 0.51 ± 0.12 a | 0.91 (0.88–0.94) | 0.69 ± 0.06 | 0.87 (0.83–0.91) | 10.128 | <0.001 |
| Step regularity in AP | 0.51 ± 0.14 a | 0.71 (0.62–0.79) | 0.70 ± 0.09 | 0.59 (0.49–0.69) | 9.098 | <0.001 |
| Step regularity in VT | 0.48 ± 0.15 a | 0.74 (0.66–0.81) | 0.70 ± 0.09 | 0.61 (0.52–0.71) | 9.241 | <0.001 |
| Step symmetry in AP | 0.78 ± 0.08 | 0.15 (0.09–0.24) | 0.78 ± 0.05 | 0.13 (0.08–0.22) | 0.514 | 0.609 |
| Step symmetry in VT | 0.78 ± 0.07 | 0.12 (0.07–0.20) | 0.81 ± 0.06 | 0.18 (0.02–0.28) | 1.873 | 0.064 |
| RMS in AP (m/s2) | 1.74 ± 0.57 a | 0.87 (0.82–0.91) | 2.15 ± 0.34 | 0.83 (0.77–0.88) | 4.442 | <0.001 |
| RMS in ML (m/s2) | 1.81 ± 0.61 a | 0.90 (0.86–0.93) | 1.67 ± 0.41 | 0.89 (0.85–0.93) | −2.088 | 0.039 |
| RMS in VT (m/s2) | 2.21 ± 0.81 a | 0.91 (0.88–0.94) | 2.71 ± 0.55 | 0.88 (0.83–0.92) | 3.656 | <0.001 |
Abbreviations: AP anterior-posterior, CI confidence interval, ICC intra-class correlation coefficient, ML medio-lateral, RMS root mean square, SD standard deviation, VT vertical
a Significantly different between the patients and controls