Comparison of Clinical and Biomechanical Outcomes between Partial Fibulectomy and Drug Conservative Treatment for Medial Knee Osteoarthritis
Table 3
Intergroup comparison of the 3D gait analysis results.
Drug group
Fibulectomy group
value
Speed§ (m/s)
Before treatment
0.81 ± 0.13
0.79 ± 0.21
0.671
After 1 month
0.83 ± 0.13
0.81 ± 0.17
0.643
After 3 months
0.85 ± 0.14
0.87 ± 0.18
0.634
After 6 months
0.84 ± 0.14
0.92 ± 0.16
0.011
After 1 year
0.84 ± 0.16
0.93 ± 0.20
0.016
Cadence§ (steps/min)
Before treatment
48.81 ± 6.00
48.53 ± 6.24
0.820
After 1 month
50.50 ± 6.65
50.75 ± 5.91
0.848
After 3 months
50.29 ± 5.49
51.09 ± 5.53
0.367
After 6 months
50.23 ± 7.42
51.70 ± 5.97
0.286
After 1 year
50.28 ± 7.38
52.06 ± 6.21
0.202
Walking knee ROM§ (°)
Before treatment
56.96 ± 7.15
56.34 ± 9.01
0.707
After 1 month
58.16 ± 7.44
60.47 ± 8.43
0.156
After 3 months
58.99 ± 8.24
60.91 ± 7.70
0.238
After 6 months
58.95 ± 8.00
60.99 ± 8.21
0.217
After 1 year
58.39 ± 7.41
62.04 ± 7.35
0.017
Overall peak KAM§ (Nm/kg·Ht)
Before treatment
0.30 ± 0.08
0.31 ± 0.08
0.539
After 1 month
0.30 ± 0.09
0.25 ± 0.07
0.007
After 3 months
0.29 ± 0.08
0.26 ± 0.08
0.030
After 6 months
0.29 ± 0.08
0.26 ± 0.08
0.057
After 1 year
0.30 ± 0.08
0.26 ± 0.08
0.004
HKA angle§ (°)
Before treatment
2.50 ± 0.78
2.59 ± 2.85
0.831
After 1 month
2.47 ± 0.74
1.62 ± 2.20
0.013
After 3 months
2.50 ± 0.81
1.62 ± 2.22
0.011
After 6 months
2.45 ± 0.81
1.62 ± 2.23
0.017
After 1 year
2.47 ± 0.76
1.60 ± 2.20
0.011
Walking knee ROM: walking flexion/extension range of motion of the knee joint; KAM: knee adduction moment; HKA angle: hip-knee-ankle angle; §multivariate analysis of variance.