Table 2.
Results from acetabular augmentation rings in the literature
| Author | N | Follow-up months (range) | Outcome | |
|---|---|---|---|---|
| Success | Failure | |||
| Olerud and Karlström (1985) [12] | 6 | (9–36) | 6 | 0 |
| Mogensen et al. (1986) [10] | 2 | 10 (7–13) | 2 | 0 |
| Reickerås (1988) [13] | 3 | 24 | 1 | 2 |
| Graham et al. (1988) [7] | 3 | NR | 0 | 3 |
| Gie et al. (1989) [6] | 10 | 12 | 7 | 3 |
| Williamson et al. (1989) [18] | 3 | 14 (6–18) | 0 | 3 |
| Güngör and Hallin (1990) [8] | 13 | 12 | 12 | 1 |
| Watson et al. (1991) [15] | 2 | 13 (7–18) | 1 | 1 |
| Bradbury and Milligan (1994) [1] | 16 | 35 (12–70) | 14 | 2 |
| Cohen et al. (1994) [4] | 9 | 25 (12–48) | 5 | 4 |
| Nicholl et al. (1999) [11] | 28 | 26 (0–108) | 23 | 5 |
| Charlwood et al. (2002) [2] | 20 | 24 | 20 | 0 |
| Bosker et al. (2007) (this study) | 50 | 74 (12–178) | 30 | 20 |
NR not reported