Table 2.
Absolute OHS and ΔOHS between the anterolateral and posterior groups
| OHS | Total number of cases | Anterolateral group | Posterior group | p Value* | ||
|---|---|---|---|---|---|---|
| Number | Mean (1 SD) | Number | Mean (1 SD) | |||
| Preoperative OHS† | 1089 | 699 | 44.0 (8.0) | 390 | 44.6 (7.6) | 0.241 |
| Postoperative OHS† | ||||||
| 3 months | 926 | 592 | 25.7 (8.0) | 334 | 24.4 (7.4) | 0.013 |
| 1 year | 888 | 580 | 20.7 (8.7) | 308 | 19.2 (7.7) | 0.011 |
| 3 years | 809 | 491 | 20.3 (9.2) | 318 | 20.2 (9.0) | 0.891 |
| 5 years | 799 | 498 | 19.9 (8.9) | 301 | 20.2 (9.0) | 0.708 |
| ΔOHS‡ | ||||||
| 3 months | 926 | 592 | 18.3 (9.8) | 334 | 20.3 (9.0) | 0.001 |
| 1 year | 888 | 580 | 23.1 (9.6) | 308 | 25.5 (9.0) | < 0.001 |
| 3 years | 809 | 491 | 23.4 (9.9) | 318 | 24.2 (9.7) | 0.256 |
| 5 years | 799 | 498 | 23.8 (9.5) | 301 | 24.4 (9.0) | 0.329 |
* Calculated using analysis of variance; †OHS: 12 (best) to 60 (worst); ‡ΔOHS: 0 (worst) to 48 (best); OHS = Oxford hip score; ΔOHS = change in Oxford hip score.