Table 4. Characteristics of Surgical and Medical Treatment.
| Characteristics | Enterobacter cloacae-associated PJI (n = 12) | |
|---|---|---|
| Initial surgical revision procedure | ||
| DAIR | 7 (58.3) | |
| One-stage revision | 5 (41.7) | |
| Number of revisions | ||
| 1 | 6 (50.0) | |
| 2 | 2 (16.7) | |
| 3 | 1 (8.3) | |
| ≥ 4 | 3 (25.0) | |
| Duration of antibiotic treatment (wk)* | ||
| 6 | 5 (41.7) | |
| 8 | 1 (8.3) | |
| 12 | 4 (33.3) | |
| MSIS score | ||
| Tier 1 | 5 (41.7) | |
| Tier 2 | 0 | |
| Tier 3 | 3 (25.0) | |
| Tier 4A | 2 (16.7) | |
| Tier 4B | 2 (16.7) | |
Values are presented as number (%).
PJI: periprosthetic joint infection, DAIR: debridement, antibiotics, irrigation, and prosthesis retention, MSIS: Musculoskeletal Infection Society.
*Available for 10 patients, after excluding 2 patients who died during hospitalization.