Table 2.
Micro-organisms identified in 91 patients treated with debridement, antibiotics, and implant retention (DAIR) (including polymicrobial infections). Result are shown for the total group, the group with successful treatment, and the group with failure of treatment.
| Microorganisms | Total (n=91) | Success (n=77) | Failure (n=14) | p-value | |
|---|---|---|---|---|---|
| Culture negative | 20 | 20 | - | 0.03 | |
| Gram-positive (number of resistant microorganisms) | 67 | 53 | 14 | 0.02 | |
| Staphylococcus aureus | 29 (0) | 22 (0) | 7 (0) | 0.1 | |
| CNS | 27 (20) | 22 (17) | 5 (3) | 0.8 | |
| Streptococcus spp. | 8 (0) | 8 (0) | - | 0.4 | |
| Enterococcus faecalis | 10 (0) | 6 (0) | 4 (0) | 0.04 | |
| Corynebacterium spp. | 8 (2) | 6 (2) | 2 (0) | 0.6 | |
| Propionibacterium spp. | 6 (0) | 6 (0) | - | 0.6 | |
| Other┼ | 2 (0) | 2 (0) | - | 1.0 | |
| Gram-negative (number of resistant microorganisms) | 15 | 11 | 4 | 0.2 | |
| Escheria coli | 5 (0) | 3 (0) | 2(0) | 0.2 | |
| Proteus mirabilis | 4 (1) | 4 (1) | - | 1.0 | |
| Enterobacter spp. | 2 (2) | 2 (2) | - | 1.0 | |
| Pseudomonas aeruginosa | 2 (0) | 1 (1) | 1 (0) | 0.3 | |
| Otherǂ | 5 (3) | 2 (1) | 3 (2) | 0.03 |