| Microfracture (n = 57) | No microfracture (n = 30) | p value | |
---|---|---|---|---|
Weight bearing line ratio (%) | 58.6 ± 7.2 | 57.5 ± 6.2 | 0.060* | |
Hip-knee-ankle angle (°) | Valgus 2.3 ± 1.4 | Valgus 1.9 ± 1.6 | 0.270* | |
Joint line convergence angle (°) | 1.9 ± 1.7 | 2.1 ± 2.1 | 0.705* | |
Ahlbäck grade (grade 0/1/2/3/4) | 11/2/38/7/1 | 5/23/2/0/0 | 0.699†| |
Flexion contracture (°) | 2.2 ± 1.2 | 1.8 ± 1.6 | 0.403* | |
Further flexion (°) | 134.9 ± 7.2 | 136.0 ± 6.6 | 0.492* | |
WOMAC scores | Total | 9.2 ± 6.1 | 10.2 ± 7.8 | 0.513* |
Pain | 1.3 ± 1.2 | 1.7 ± 1.6 | 0.278* | |
Stiffness | 1.1 ± 1.4 | 1.3 ± 1.5 | 0.433* | |
Function | 6.7 ± 4.5 | 7.2 ± 5.9 | 0.678* | |
KS scores | KS knee scores | 89.1 ± 10.7 | 88.3 ± 10.8 | 0.745* |
KS function scores | 88.3 ± 10.8 | 86.1 ± 12.3 | 0.634* |