Table 3 Temporal-spatial gait parameters of the patients with trimalleolar fractures and both sides of the healthy controls
|  | Injured side (n = 12) | Noninjured side (n = 12) | Healthy controls (n = 24) | P1 value | P2 value | P3 value |
|---|---|---|---|---|---|---|
Step length (m) | 0.48 ± 0.13 | 0.41 ± 0.15 | 0.66 ± 0.06 | <0.001 | <0.001 | 0.008 |
Step width (m) | 0.18 ± 0.04 | 0.18 ± 0.04 | 0.12 ± 0.03 | <0.001 | <0.001 | 0.434 |
Walking speed (m/s) | 0.65 ± 0.29 | 0.66 ± 0.29 | 1.29 ± 0.13 | <0.001 | <0.001 | 0.041 |
Single support time (%) | 16.27 ± 5.63 | 20.40 ± 2.71 | 32.27 ± 2.96 | <0.001 | <0.001 | 0.008 |
Symmetry index step length (%) | 21.44 ± 26.34 | −0.49 ± 6.02 | 0.014 |  |  | |
Symmetry index step Width (%) | −0.48 ± 7.07 | −4.65 ± 14.17 | 0.397 |  |  | |
Symmetry index walking speed (%) | −3.74 ± 4.01 | −0.35 ± 3.67 | 0.052 |  |  | |
Symmetry index single support time (%) | −27.63 ± 27.35 | −0.94 ± 7.23 | 0.028 |  |  | |