Table 1 Changes of gait spatiotemporal parameters \(\bar x\) in 85 patients before operation and 6 months after operation (± s)
time | Number | Stride duration (s) | Standing time(s) | Swing time(s) | Single support phase(%) | Dual support phase (%) | Stride length(m) | step size (m) | Pace (m/s) | Cadence (step/min) | Step width (m) |
|---|---|---|---|---|---|---|---|---|---|---|---|
Before surgery | 85 | 1.22 ± 0.13 | 0.75 ± 0.12 | 0.47 ± 0.05 | 38.70 ± 2.25 | 11.15 ± 3.48 | 0.99 ± 0.19 | 0.51 ± 0.15 | 0.82 ± 0.18 | 99.18 ± 9.27 | 0.10 ± 0.07 |
6-month post-surgery | 85 | 1.09 ± 0.07 | 0.6 7 ± 0.13 | 0.42 ± 0.05 | 38.75 ± 3.02 | 10.21 ± 1.35 | 1. 22 ± 0. 1 9 | 0.6 1 ± 0.27 | 1.17 ± 0.13 | 105.83 ± 6.24 _ | 0.09 ± 0.03 |
t -value | 8.118 | 4.169 | 6.519 | 0.122 | 2.322 | 7.892 | 2.985 | 14.433 | 5.490 | 0.784 | |
P value | 0.000 | 0.000 | 0.000 | 0.903 | 0.021 | 0.000 | 0.003 | 0.000 | 0.000 | 0.434 |