Table 3.
Number and types of failures in 60 patients with Propionibacterium-associated PJI, presented according to their postoperative antimicrobial treatment
| Characteristic | Rifampicin (n = 39) |
No rifampicin (n = 21) |
Total group (n = 60) |
p-value |
|---|---|---|---|---|
| Failures | ||||
| 1-year follow-up | 2/39 | 2/21 | 4/60 | 0.7 |
| 2-year follow-up | 4/23 | 3/13 | 7/36 | 0.6 |
| Survival, median (range), months | 19 (0.1–49) | 23 (0.2–47) | 21 (0.1–49) | 0.9 |
| Type of failure | ||||
| Relapsea | 2 | 2 | 4 | 0.4 |
| Reinfectionb | 2 | 1 | 3 | 0.5 |
a
Relapse: defined as positive cultures growing the same microorganism as the initial intraoperative samples.
b
Reinfection: defined as a new infection with a pathogen other than that in the initial intraoperative samples.