Table 2 The preoperative and postoperative comparisons of radiographic parameters in patients with MED following the Bernese PAO
Parameters | Pre-operation | Post-operation | p-value | ||
|---|---|---|---|---|---|
Mean | Range | Mean | Range | ||
LCEA (deg.) | 3.8 | − 23.1 to 14.4 | 47.1 | 37.7 to 55.4 | 0.02 |
ACEA (deg.) | 7.3 | − 8.3 to 16.2 | 35.1 | 29.9 to 41.0 | 0.02 |
AI (deg.) | 27.8 | 24.9 to 31.8 | 14.6 | 5.8 to 21 | 0.04 |
Femoral head coverage (%) | 66.8 | 46 to 79 | 100 | 100 to 100 | 0.02 |
Central head distance (mm) | 86.7 | 83 to 91 | 82.7 | 70 to 88 | 0.699 |
Leg length (cm) | 63.5 | 56.5 to 69.6 | 62.8 | 53.5 to 69.7 | 0.463 |
Shenton line | Broken | Intact | – | ||