Table 2.
Comparison of microbiological results and microbiological changes between successful two-stage procedures (success group) and failed two-stage procedures (failure group).
| Success Group | Failure Group | ||||
|---|---|---|---|---|---|
| Total | Res. Arthroplasty n = 37 |
Reimplantation 37 (100.0%) | Res. Arthroplasty n = 20 |
Re-Rev. 10 (50.0%) |
|
| Cult. neg. | 54 | 11 (29.7%) | 32 (86.5%) | 5 (25.0%) | 6 (60.0%) |
| Cult. pos. | 50 | 26 (70.3%) | 5 (13.5%) | 15 (75.0%) | 4 (40.0%) |
| Monomicrobial | 39 | 19 (73.1%) | 5 (100%) | 12 (80.0%) | 3 (75.0%) |
| Polymicrobial | 11 | 7 (26.9%) | 0 | 3 (20.0%) | 1 (25.0%) |
| Cult. Neg. → Cult. Pos. | 2 | 2/37 (5.4%) | 0/10 (0.0%) | ||
| Cult. Neg. → Cult. Neg. | 12 | 9/37 (24.3%) | 3/10 (30.0%) | ||
| Cult. Pos. → Cult. Neg. | 26 | 23/37 (62.2%) | 3/10 (30.0%) | ||
| Cult. Pos. → Cult. Pos. | 7 | 3/37 (8.1%) * | 4/10 (40.0%) * | ||
| Spectrum changed | 6 | 3/3 (100%) | 3/4 (75.0%) | ||
Res, resection; re-rev, re-revision; cult, culture; Pos, positive; Neg, negative. * p ≤ 0.05.