Table 1.
Demographic factors, clinical and microbiological characteristics, and outcome of patients with positive samples for P. acnes around a joint replacement
| Age | Sex | ESR (mm/h) | CRP (mg/l) | Operation | Positive P. acnes samples | Antibiotics | When found | Other organisms | Follow-up | Months |
|---|---|---|---|---|---|---|---|---|---|---|
| 58 | f | 23 | 8 | BHR | 1 of 2 | No | Aspirate | None | No further infection | 12 |
| 62 | f | 39 | 12 | THR | 1 of 1 | n.a. | Aspirate | CNS | No further infection | 24 |
| 64 | m | 40 | 10 | THR | 1 of 1 | Yes | Aspirate | CNS | No further infection | 23 |
| 66 | f | 29 | 12 | THR | 1 of 1 | No | Aspirate | None | No further infection | 19 |
| 66 | m | 71 | 3 | THR | 1 of 1 | No | Aspirate | None | No further infection | 18 |
| 73 | f | 7 | 2 | THR | 1 of 1 | No | Aspirate | None | No further infection | 360 |
| 18 | m | 18 | 6 | EPR femur | 1 of 2 | No | Routine revision | None | No further infection | 32 |
| 18 | m | 39 | 78 | EPR femur | 1 of 1 | No | Routine revision | None | No further infection | 48 |
| 18 | m | 32 | 7 | EPR femur | 1 of 3 | Yes | Routine revision | None | No further infection | 360 |
| 48 | f | 5 | 1 | EPR femur | 1 of 2 | No | Routine revision | None | No further infection | 10 |
| 48 | m | 11 | 21 | TKR | 1 of 2 | No | Routine revision | None | No further infection | 3 |
| 50 | f | 7 | 12 | TKR | 1 of 4 | No | Routine revision | CNS | No further infection | 7 |
| 53 | f | 23 | 11 | THR | 1 of 3 | n.a. | Routine revision | None | No further infection | 24 |
| 57 | m | 18 | 15 | THR | 3 of 3 | No | Routine revision | None | No further infection | 32 |
| 57 | m | 2 | 3 | THR | 1 of 3 | No | Routine revision | None | No further infection | 25 |
| 57 | f | 68 | 73 | THR | 1 of 2 | No | Routine revision | None | Further infection | 13 |
| 58 | m | 27 | 9 | THR | 1 of 4 | Yes | Routine revision | Staph. aureus | No further infection | 15 |
| 58 | m | 10 | 5 | TKR | 1 of 1 | n.a. | Routine revision | None | No further infection | 42 |
| 60 | m | 10 | 14 | TKR | 4 of 8 | Yes | Routine revision | CNS | No further infection | 28 |
| 60 | m | 11 | 12 | THR | 2 of 3 | No | Routine revision | CNS | No further infection | 12 |
| 61 | f | 31 | 14 | THR | 1 of 2 | Yes | Routine revision | None | No further infection | 21 |
| 63 | m | 5 | 97 | TSR | 1 of 4 | n.a. | Routine revision | CNS | No further infection | 8 |
| 64 | m | 5 | 3 | TKR | 2 of 3 | No | Routine revision | Bacillus | No further infection | 15 |
| 67 | m | 32 | 8 | TKR | 1 of 3 | Yes | Routine revision | None | No further infection | 18 |
| 67 | m | 5 | 4 | TKR | 2 of 4 | No | Routine revision | None | No further infection | 35 |
| 69 | m | 29 | 12 | THR | 1 of 2 | n.a. | Routine revision | None | No further infection | 34 |
| 70 | m | 5 | 1 | TKR | 1 of 4 | No | Routine revision | None | No further infection | 23 |
| 70 | m | 40 | 3 | TKR | 1 of 5 | Yes | Routine revision | CNS | No further infection | 6 |
| 70 | m | 14 | 2 | THR | 1 of 3 | n.a. | Routine revision | None | No further infection | 36 |
| 71 | m | 57 | 13 | THR | 1 of 3 | Yes | Routine revision | None | No further infection | 14 |
| 71 | m | 15 | 5 | THR | 2 of 2 | Yes | Routine revision | None | No further infection | 12 |
| 71 | f | 5 | 3 | TKR | 1 of 2 | No | Routine revision | None | No further infection | 1 |
| 72 | f | 11 | 3 | TKR | 1 of 4 | Yes | Routine revision | None | No further infection | 11 |
| 72 | m | 5 | 3 | TKR | 1 of 3 | n.a. | Routine revision | None | No further infection | 36 |
| 73 | f | 29 | 6 | THR | 1 of 3 | No | Routine revision | Bacillus | No further infection | 18 |
| 73 | m | 43 | 5 | THR | 1 of 3 | n.a. | Routine revision | None | No further infection | 24 |
| 73 | m | 15 | 3 | TKR | 1 of 4 | n.a. | Routine revision | CNS | No further infection | 4 |
| 73 | f | 31 | 13 | TKR | 1 of 4 | Yes | Routine revision | None | No further infection | 29 |
| 73 | m | 31 | 3 | THR | 1 of 3 | No | Routine revision | None | No further infection | 23 |
| 74 | m | 19 | 10 | TKR | 1 of 2 | No | Routine revision | None | No further infection | 33 |
| 74 | m | 16 | 3 | THR | 1 of 3 | No | Routine revision | CNS | No further infection | 5 |
| 74 | f | 25 | 25 | TKR | 1 of 4 | No | Routine revision | None | No further infection | 35 |
| 74 | m | 12 | 3 | THR | 1 of 3 | No | Routine revision | CNS | No further infection | 26 |
| 75 | m | 10 | 5 | TKR | 1 of 3 | No | Routine revision | CNS | No further infection | 10 |
| 79 | f | 45 | 8 | THR | 1 of 1 | No | Routine revision | None | No further infection | 23 |
| 80 | f | 29 | 4 | TKR | 1 of 2 | No | Routine revision | CNS | No further infection | 8 |
| 80 | m | 9 | 5 | THR | 1 of 2 | No | Routine revision | None | No further infection | 15 |
| 81 | m | 10 | 3 | THR | 1 of 4 | No | Routine revision | None | No further infection | 25 |
| 81 | m | 45 | 34 | THR | 1 of 1 | No | Routine revision | None | No further infection | 41 |
| 82 | m | 13 | 7 | TKR | 1 of 2 | No | Routine revision | None | No further infection | 4 |
| 82 | f | 2 | 3 | THR | 1 of 1 | Yes | Routine revision | None | No further infection | 19 |
| 84 | f | 26 | 20 | THR | 1 of 3 | No | Routine revision | None | No further infection | 25 |
| 85 | f | 45 | 5 | THR | 1 of 3 | Yes | Routine revision | CNS | No further infection | 40 |
| 88 | m | 7 | 3 | THR | 2 of 3 | No | Routine revision | None | No further infection | 8 |
| 91 | f | 41 | 20 | THR | 1 of 1 | No | Routine revision | None | No further infection | 8 |
| 91 | f | 13 | 3 | TKR | 2 of 3 | No | Routine revision | Enterococcus | No further infection | 8 |
m male, f female, BHR Birmingham hip resurfacing, THR total hip replacement, TKR total knee replacement, EPR endoprosthetic replacement, TSR total shoulder replacement, CNS coagulase-negative Staphylococcus aureus, n.a. not applicable