Table 2.
Descriptive comparison between tuberculous and nontuberculous Mycobacteria prosthetic joint infection cases (excluding mixed-infection cases)
|
|
Tuberculous PJI (n = 43)
|
Nontuberculous PJI (n = 63)
|
P
value
|
| Joint involvement | |||
| Hip | 22/43 (55.1%) | 22/63 (34.9%) | 0.096 |
| Knee | 21/43 (44.9%) | 41/63 (65.1%) | |
| Onset of disease after index surgery | |||
| ≤ 3 mo | 5/43 (11.6%) | 22/60 (36.7%) | 0.002 |
| > 3 mo | 34/43 (79.1%) | 38/60 (63.3%) | |
| Intraoperative | 4/43 (9.3%) | 0 | |
| NA | 0 | 3 | |
| Treatment | |||
| Antimicrobial therapy only | 10/43 (23.3%) | 2/54 (3.7%) | 0.002 |
| Debridement | 8 /43(18.6%) | 3/54 (5.5%) | |
| Removal of prosthesis | 25/43 (58.1%) | 48/54 (88.9%) | |
| Amputation | 0 | 1/54 (1.8%) | |
| NA | 0 | 9 | |
| Outcome | |||
| Infection controlled | 35/43 (81.4%) | 44/48 (91.7%) | 0.092 |
| Persistent infection | 4/43 (9.3%) | 4/48 (8.3%) | |
| Dead | 4/43 (9.3%) | 0 | |
| NA | 0 | 15 | |
P < 0.05: Significant. NA: Data not available; PJI: Prosthetic joint infection.