| n | 20 |
| Male | 11 (55%) |
| Female | 9 (45%) |
| Mean age in years (range) | 71.35 (45 - 89) |
| Male | 69.6 (49 - 82) |
| Female | 73.6 (45 - 89) |
| Inpatient length stay mean in days (range) | 21 (14 - 36) |
| Affected joints | *Knee-11 (52%) Hip-9 (43%) Shoulder-1 (5%) |
| Number of joints involved | Monoarticular-19 patients (95%) Polyarticular-patient (5%) |
| Follow up mean time in months (range) | 9.4 (3 - 27) |
| Mean time interval in months between original prosthesis implantation and first clinical signs and symptoms | 57.6 (5 - 264) |