Table 2.
Demographic data of retrievals and reasons for revision
| Style | Number | Average age (years) | Male | Female | Time in situ (months) | Pain/loosening | Infection | Periprosthetic | Metallosis | Dislocation |
|---|---|---|---|---|---|---|---|---|---|---|
| Bionik® | 4 | 61 | 0 | 4 | 20 | 3 | 0 | 1 | 2‡ | |
| GMRS® | 4 | 57 | 3 | 1 | 15 | 2 | 2 | 0 | 1 | |
| Margron® | 22 | 60 | 13 | 9 | 31 | 6† | 6 | 2 | 3 | 7 |
| Apex® | 5 | 63 | 4 | 1 | 8 | 3 | 0 | 1 | 1 | |
| M-series® | 5 | 69 | 4 | 1 | 14 | 2 | 1 | 1 | 0 | 2 |
| S-ROM® | 15 | 65 | 9 | 6 | 61 | 7 | 6 | 0 | 1 | 3 |
| ZMR® | 2 | 65 | 1 | 1 | 17 | 1 | 1 | 1 | 0 | |
| Total | 57 | 63* | 34 | 23 | 22.5* | 24 | 16 | 6 | 8 | 12 |
* Average of all retrievals; †one case of neck retroversion; ‡two cases of aseptic lymphocyte-laminated vascular-associated lesions.