Table 4.
Comparison of dynamic plantar pressure features between the injured sides of patients with trimalleolar fractures and both sides of the healthy controls
| Region | Peak plantar pressure (kpa) | Contact area (cm2) | Contact time (%) | |||
|---|---|---|---|---|---|---|
| Trimalleolar fractures (n = 12) |
Healthy controls (n = 24) | Trimalleolar fractures (n = 12) | Healthy controls (n = 24) | Trimalleolar fractures (n = 12) | Healthy controls (n = 24) | |
| HF | 290.95 ± 54.45* | 358.12 ± 96.90 | 28.48 ± 3.07* | 30.78 ± 3.59 | 71.06 ± 7.18* | 57.33 ± 7.17 |
| MF | 127.68 ± 39.75 | 155.37 ± 47.08 | 22.60 ± 5.64 | 25.81 ± 5.32 | 72.18 ± 7.22* | 66.10 ± 5.57 |
| M1 | 253.00 ± 138.61 | 277.83 ± 101.60 | 11.20 ± 2.24 | 11.93 ± 1.20 | 79.97 ± 9.04 | 82.16 ± 3.76 |
| M2 | 226.22 ± 144.40* | 597.62 ± 292.83 | 9.05 ± 1.23 | 9.31 ± 0.77 | 85.32 ± 6.57 | 84.62 ± 3.61 |
| M3 | 245.45 ± 147.56* | 455.67 ± 149.56 | 9.97 ± 1.40 | 10.69 ± 0.92 | 86.76 ± 6.68 | 85.55 ± 3.11 |
| M4 | 192.50 ± 113.27 | 246.37 ± 39.19 | 7.97 ± 1.04* | 8.75 ± 0.74 | 83.40 ± 6.60 | 83.71 ± 3.31 |
| M5 | 125.22 ± 72.11 | 184.00 ± 96.74 | 5.03 ± 0.58 | 5.43 ± 0.68 | 76.60 ± 6.32 | 75.96 ± 4.67 |
| T1 | 300.18 ± 286.80 | 417.42 ± 141.87 | 7.45 ± 2.31* | 10.04 ± 0.99 | 75.26 ± 20.24 | 73.35 ± 11.52 |
| T2 | 79.27 ± 81.91* | 211.75 ± 104.20 | 2.25 ± 1.37* | 3.92 ± 0.54 | 43.78 ± 20.71* | 65.22 ± 13.57 |
| T345 | 61.09 ± 60.13* | 148.08 ± 78.35 | 2.81 ± 2.17* | 6.84 ± 2.03 | 42.57 ± 26.22* | 63.40 ± 12.06 |
HF Hindfoot, MF Medial midfoot, M1 The first metatarsal head, M2 The second metatarsal head, M3 The third metatarsal head, M4 The fourth metatarsal head, M5 The fifth metatarsal head, T1 Hallux, T1 The second toe, T3-5 The third to fifth toes
*P < 0.05