Table I.
Details of the samples analysed
| ASR XL* | Articuleze (Pinnacle) | ||
|---|---|---|---|
| Number of hips | 63 | 48 | |
| Male:female | 23:40 | 14:34 | |
| Median age at implantation (yrs) (range) | 55 (42 to 73) | 66 (55 to 73) | |
| Median time in vivo (mths) (range) | 33 (11 to 64) | 42 (12 to 75) | |
| Reason for revision (n, %) | |||
| Adverse reaction to metal debris | 61 (96.8) | 43 (89.6) | |
| Loosening of the femoral component | 1 (1.6) | 2 (4.2) | |
| Loosening of the acetabular component | 1 (1.6) | 1 (2.1) | |
| Unexplained pain | 0 (0) | 2 (4.2) | |
* ASR, Articular Surface Replacement