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Time distribution of the occurrence of prostheses failure in the Group 1 (patients operated in 1989 – 94 with BioModular® uncemented TSA) according to the mode of failure
| Year Post Op | Glenoid Loosening | Bearing failure | Infection | Dislocation |
| 1 | 3 | 1 | 0 | 1 |
| 2 | 1 | 1 | 0 | 1 |
| 3 | 0 | 0 | 1 | 3 |
| 4 | 3 | 1 | 1 | 0 |
| 5 | 1 | 0 | 0 | 0 |
| 6 | 2 | 0 | 0 | 0 |
| 7 | 2 | 0 | 0 | 0 |
| 8 | 0 | 0 | 0 | 0 |
| 9 | 1 | 0 | 0 | 0 |
| 10 | 0 | 1 | 0 | 0 |
| 11 | 0 | 0 | 0 | 0 |
| Total | 13 | 4 | 2 | 5 |
