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Table 4 Comparison of dynamic plantar pressure features between the injured sides of patients with trimalleolar fractures and both sides of the healthy controls

From: Clinical assessments and gait analysis for patients with Trimalleolar fractures in the early postoperative period

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

  1. 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
  2. *P < 0.05