Table 3.
Group A (n = 17) | Group B (n = 18) | p-value | |||||
---|---|---|---|---|---|---|---|
day 0 | day 14 | day 0 | day 14 | Intragroup difference# | Interaction effect* |
||
Group A | Group B | ||||||
Stride duration (s) | 1.19 ± 0.17 | 1.04 ± 0.12 | 1.15 ± 0.15 | 1.09 ± 0.19 | < 0.001 | 0.007 | 0.006 |
Stride length (m) | 1.07 ± 0.20 | 1.18 ± 0.22 | 0.99 ± 0.23 | 1.08 ± 0.23 | < 0.001 | < 0.001 | 0.359 |
Gait speed (m/s) | 0.93 ± 0.26 | 1.17 ± 0.31 | 0.88 ± 0.28 | 1.03 ± 0.32 | < 0.001 | < 0.001 | 0.055 |
Cadence (steps/min) | 103.1 ± 14.2 | 116.6 ± 13.1 | 105.9 ± 14.4 | 112.6 ± 17.1 | < 0.001 | < 0.001 | 0.012 |
Ratio of the unaffected standing phase (%) |
64.5 ± 3.6 | 62.8 ± 4.0 | 63.8 ± 4.0 | 62.9 ± 3.5 | 0.004 | 0.077 | 0.254 |
Ratio of the affected standing phase (%) |
66.5 ± 5.0 | 64.0 ± 3.9 | 67.0 ± 4.3 | 65.4 ± 4.3 | < 0.001 | < 0.001 | 0.157 |
Maximum flexion angles | |||||||
unaffected knee joint (°) | 55.2 ± 11.4 | 56.4 ± 9.9 | 45.6 ± 13.7 | 47.7 ± 14.8 | 0.695 | 0.235 | 0.449 |
affected knee joint (°) | 60.1 ± 7.7 | 60.6 ± 6.7 | 53.3 ± 7.4 | 54.8 ± 7.4 | 1.000 | 0.734 | 0.799 |
unaffected hip joint (°) | 33.1 ± 4.7 | 34.7 ± 5.8 | 30.1 ± 6.3 | 31.0 ± 7.4 | 0.288 | 0.783 | 0.553 |
affected hip joint (°) | 34.3 ± 4.1 | 34.7 ± 3.8 | 32.2 ± 6.8 | 33.9 ± 7.7 | 0.957 | 0.069 | 0.442 |
Symmetry § | 0.98 ± 0.16 | 1.00 ± 0.17 | 1.02 ± 0.51 | 1.01 ± 0.66 | 1.000 | 1.000 | 1.000 |
#Intragroup difference between days 0 and 14
*Interaction effect: between the day of measurement and group
§Symmetry: ratio of the maximum flexion angles of the affected hip joint to the unaffected hip joint