Table 4 Parameters associated with unsatisfactory outcomes at the final follow-up.
Parameters | Univariable | Multivariable | ||
|---|---|---|---|---|
OR (95% CI) | p value | OR (95% CI) | p value | |
Age at surgery | 0.85 (0.73 to 0.99) | 0.039 | 0.84 (0.73 to 0.96) | 0.013 |
Sex | 1.14 (0.58 to 2.23) | 0.711 | ||
Preoperative migration percentage | 1.02 (1.01 to 1.04) | 0.001 | 1.02 (1.00 to 1.04) | 0.093 |
Preoperative acetabular angle | 0.98 (0.91 to 1.05) | 0.545 | ||
Preoperative head-shaft angle | 1.02 (0.98 to 1.06) | 0.326 | ||
Open reduction | 2.41 (1.22 to 4.78) | 0.011 | 1.55 (0.71 to 3.37) | 0.268 |
Pelvic osteotomy | 0.82 (0.42 to 1.61) | 0.558 | ||
Postoperative migration percentage | 1.03 (1.01 to 1.06) | 0.013 | 1.04 (1.02 to 1.06) | 0.001 |
Postoperative head-shaft angle | 1.02 (0.98 to 1.06) | 0.338 | ||
Avascular necrosis | 2.87 (1.45 to 5.66) | 0.002 | 2.37 (1.03 to 5.44) | 0.042 |