Table 1 Characteristic, the origin of infection and organism profile of patients who underwent two-stage total joint arthroplasty for evolutive septic arthritis
|  | Total (n = 74) | Hip (n = 55) | Knee (n = 19) |
|---|---|---|---|
Patient characteristics | |||
 BMI (kg/m2) | 24.7 ± 4.4 | 24.6 ± 4.4 | 24.9 ± 4.4 |
 Age (year) | 49.4 ± 16.5 | 45.8 ± 16.0 | 59.8 ± 13.6 |
 Male | 47 (63.5%) | 41 (74.5%) | 6 (31.6%) |
 ASA score ≥ 3 | 17 (23.0%) | 11 (20.0%) | 6 (31.6%) |
Origin of infection | |||
 Postoperative | 46 (62.2%) | 38 (69.1%) | 8 (42.1%) |
 Hematogenous | 7 (9.46%) | 5 (9.1%) | 2 (10.5%) |
 Intra-articular injection | 8 (10.8%) | 3 (5.5%) | 5 (26.3%) |
 Unknown | 13 (17.6%) | 9 (16.4%) | 4 (21.1%) |
Preoperative microorganism | |||
 Staphylococcus aureus | 6 (8.1%) | 2 (3.6%) | 4 (21.1%) |
 Resistant organism | 4 (5.4%) | 2 (3.6%) | 2 (10.5%) |
 Coagulase negative Staphylococcus | 15 (20.3%) | 15 (27.3%) | 0 (0.0%) |
 Gram-negative organism | 7 (9.5%) | 6 (10.9%) | 1 (5.3%) |
 Other organism | 12 (16.2%) | 8 (14.5%) | 4 (21.1%) |
 Polymicrobial organism | 6 (8.1%) | 5 (9.1%) | 1 (5.3%) |
 Culture negative organism | 24 (32.4%) | 17 (30.9%) | 7 (36.8%) |