Indicator | Preoperative | Postoperative | Last follow-up | P Value |
---|---|---|---|---|
HHS | 31.4 ± 10.4 |  | 84.1 ± 7.8 | .000 |
 Rating (no. of hips) | ||||
  Excellent | 0 |  | 7 |  |
  Good | 0 |  | 16 |  |
  Fair | 0 |  | 4 |  |
  poor | 28 |  | 1 |  |
SF-12 | ||||
 Mental component | 12.8 ± 3.1 |  | 23.9 ± 2.7 | .000 |
 Physical component | 7.8 ± 1.3 |  | 21.3 ± 2.6 | .000 |
Hip center (mm) | ||||
 Horizontal distance | 42.1 ± 11.5 | 42.7 ± 6.2 | 43.1 ± 6.5 | .773/.351a |
 Vertical distance | 47.9 ± 17.2 | 22.3 ± 7.7 | 23.6 ± 9.2 | .000/.012a |
 horizontal migrationb |  |  | 1.4 ± 1.7 |  |
 vertical migrationb |  |  | 1.3 ± 2.5 |  |