Table 2 Summary of radiographic measurements
From: Fate of stable hips after prophylactic femoral varization osteotomy in patients with cerebral palsy
Radiographic measurement | Total | Stable hip group (80 hip) | Displaced hip group (144 hip) | p-value |
|---|---|---|---|---|
Neck-shaft angle (degree) | ||||
Preoperative | 151.3 ± 8.5 | 150.7 ± 7.4 | 151.7 ± 9.0 | 0.387 |
Immediate postoperative | 120.5 ± 9.6 | 124.7 ± 7.4 | 117.9 ± 9.8 | < 0.001 |
Final follow-up | 126.9 ± 14.2 | 129.0 ± 11.9 | 125.7 ± 15.2 | 0.094 |
Head-shaft angle (degree) | ||||
Preoperative | 158.7 ± 10.3 | 159.1 ± 9.4 | 158.5 ± 10.8 | 0.695 |
Immediate postoperative | 130.1 ± 13.3 | 133.2 ± 10.0 | 128.4 ± 14.5 | 0.008 |
Final follow-up | 135.3 ± 16.7 | 137.1 ± 14.0 | 134.3 ± 18.0 | 0.231 |
Migration percentage (%) | ||||
Preoperative | 51.1 ± 28.3 | 21.8 ± 8.1 | 67.3 ± 21.7 | < 0.001 |
Immediate postoperative | 2.7 ± 6.4 | 3.6 ± 5.6 | 2.3 ± 6.7 | 0.148 |
Final follow-up | 14.0 ± 14.3 | 15.1 ± 11.2 | 13.3 ± 15.7. | 0.369 |