Table 2.
Demographics of participants
| PJI | Aseptic failures | |
|---|---|---|
| Age in years | ||
| Median | 67.5 | 68 |
| Range | 51–83 | 42–91 |
| Gender: no. (%) | ||
| Male | 7 (50) | 19 (41) |
| Female | 7 (50) | 27 (59) |
| Arthroplasty site: no. (%) | ||
| Hip | 0 (0) | 14 (30.4) |
| Knee | 14 (100) | 30 (65.2) |
| Ankle | 0 (0) | 2 (4.4) |
| Time since primary replacement in monthsa | ||
| Median | 26 | 120 |
| Range | 1–168 | 2–324 |
| Number of revision: no. (%) | ||
| First | 5 (35.7) | 36 (78) |
| Second | 5 (35.7) | 6 (13) |
| Third or more | 4 (28.6) | 4 (9) |
| Presence of a sinus: no. (%) | ||
| Yes | 9 (64.3) | 0 (0) |
| No | 5 (35.7) | 46 (100) |
aThis data was unavailable in three episodes in the aseptic group