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Patients categorised according to MSIS working group outcome-reporting tool [17]
| Tier 1 | Infection control with no continued antibiotic treatment | 35 |
| Tier 2 | Infection control with suppressive antibiotic treatment | 3 |
| Tier 3 | Need for reoperation and/or revision and/or spacer | |
| • Aseptic revision | 1 | |
| • Septic revision | 13 | |
| Tier 4 | Death (assigned to subgroups of A or B) | |
| A | • Death < 1 year from surgery | 4 |
| B | • Death > 1 year from surgery | 8 |
| Total | 64 | |
