Table 3.
Bacterial isolates from abscess cavity cultures
| Bacterial isolatesa | Number of isolates |
|---|---|
| Gram-positive aerobes | |
| Staphylococcus aureus | 2 |
| Coagulase neg. Staphylococci | 13 |
| Viridans streptococci | 7 |
| Group A Streptococci | 1 |
| Enterococcus spp. | 39 |
| other gram-positive species | 1 |
| Gram-negative aerobes | |
| Escherichia coli | 23 |
| Klebsiella spp. | 15 |
| other Enterobacteriaceae | 14 |
| Pseudomonas spp. | 6 |
| Stenotrophomonas spp. | 3 |
| Acinetobacter spp. | 1 |
| other gram-negative species | 4 |
| Anaerobes | 6 |
| No bacterial growth | 9 |
aThere were 4 cases with negative abscess cavity culture and positive blood cultures only. In all cases the cultured isolates were directly associated with the underlying PLA