Table 3.
Microbial findings in 30 patients with polymicrobial PJI.
| All, n=76 (%) | DTT, n=45 | Non-DTT (n=31) | ||
|---|---|---|---|---|
| DTT, n=21 (%) | Non-DTT, n=24 (%) | |||
| Gram-positive bacteria | 52 (68.4) | 9 (42.8) | 20 (83.3) | 23 (74.2) |
| Staphylococcus spp. | 30 (39.4) | 7 (33.3) | 11 (45.8) | 12 (38.7) |
| Staphylococcus aureus | 14 (18.4) | 4(19) | 5 (20.8) | 5 (16.1) |
| Staphylococcus epidermidis | 7 (9.2) | 3 (14.3) | 2 (8.3) | 2 (6.4) |
| Coagulase-negative staphylococci | 9 (11.8) | - | 4 (16.6) | 5 (16.1) |
| Streptococcus spp. | 6 (7.9) | - | 3 (12.5) | 3 (9.6) |
| Enterococcus spp. | 12 (15.8) | 2 (9.5) | 5 (20.8) | 5 (16.1) |
| Other1 | 4 (5.2) | - | 1 (4.1) | 3 (9.6) |
| Gram-negative bacteria | 19(25) | 7 (33.3) | 4 (16.6) | 8 (25.8) |
| Escherichia coli | 6 (7.9) | 3 (14.3) | - | 3 (9.6) |
| Enterobacteriaceae spp.2 | 6 (7.9) | 1 (4.7) | 2 (8.3) | 3 (9.6) |
| Pseudomonas aeruginosa | 5 (6.6) | 2 (9.5) | 1 (4.1) | 2 (6.4) |
| Proteus mirabilis | 1 (1.3) | 1 (4.7) | - | - |
| Other3 | 1 (1.3) | - | 1 (4.1) | - |
| Candida spp. | 5 (6.6) | 5 (23.8) | - | - |
Data presented as absolute Number (Percentage). Abbreviations: DTT difficult-to-treat. 1Including Bacillus spp., Corynebacterium spp., Leuconostoc, Proprionbacterium spp. 2Including Klebsiella (n=3), Acinetobacter spp. Citrobacter spp., Enterobacter spp. 3Aeromonas spp.