Table 2.
Clinical findings before surgery and at last follow-up
| Clinical parameters studied | Pre-operative | Last follow-up | p value |
|---|---|---|---|
| Hip flexion contracture | 9.8° ± 4.8° | 5.8° ± 3.9° | <0.0001* |
| Hip abduction | 31.3° ± 8.7° | 34.9° ± 6.4° | <0.0001* |
| Hip internal rotation (IR) | 73.9° ± 7.8° | 46.2° ± 11.3° | <0.0001* |
| Hip external rotation (ER) | 23.8° ± 9.3° | 37° ± 8.9° | <0.0001* |
| Total hip rotation arc | 99.2° ± 10° | 83.6° ± 10.2° | <0.0001* |
| Knee flexion contracture | 1.03° ± 3.9° | 1.3° ± 4.3° | 0.506 |
| Popliteal angle | 64.2° ± 15.8° | 55.8° ± 16.8° | <0.0001* |
| Thigh–foot angle (±) | 45° | 48° | 0.117 |
| Duncan–Ely test (±)a | 26 | 52 | <0.0001* |
Values are presented as the average ± standard deviation (SD), unless indicated otherwise
* Significant at p ≤ 0.05 according to the Wilcoxon test
aNumber of patients with positive results for the Duncan–Ely test