Table 3.
Mean and range of radiographic parameters at preoperative, immediate postoperative, and final follow-up.
| Radiographic parameters | Preoperative | Immediate postoperative | Final F/U |
p-value |
|
|---|---|---|---|---|---|
| Preop-postop | Preop-final F/U | ||||
| Center edge angle of Wiberg | 24° (11-36°) | 35° (27-46°) | 37° (29-48°) | 0.00 | 0.00 |
| Acetabular angle of Sharp | 43° (36-49°) | 37° (32-44°) | 37° (33-42°) | 0.00 | 0.00 |
| Acetabular head index | 69% (50–83%) | 85% (73–100%) | 85% (57–100%) | 0.00 | 0.00 |
| Weight bearing joint space | 5 mm (3–6 mm) | 8 mm (5–12 mm) | 6 mm (4–9 mm) | 0.00 | 0.00 |
| Minimum joint space | 3 mm (1–4 mm) | 4 mm (2–7 mm) | 3 mm (2–5 mm) | 0.040 | 0.547 |
| Pelvic osteotomy angle | – | 19° (15o–28°) | – | – | – |
| Acetabular displacement | – | 15 mm (10–21 mm) | – | – | – |
| Acetabular displacement (%) | – | 27% (15–36%) | – | – | – |
| Trochanteric advancement | – | 17 mm (10–23 mm) | – | – | – |
F/U: follow-up; Preop: preoperative; Postop: postoperative.