Table 2.
Causative Organism(s)
| Causative Organism | Hips | Knees | Total, n (%) |
|---|---|---|---|
|
| |||
| Staphylococci (monomicrobial and polymicrobial) | 24 | 5 | 29 (64) |
| S. aureus | |||
| MSSA | 5 | 3 | 8 |
| MSSA & enterococcus | 0 | 1 | 1 |
| MSSA & Coagulase-negative staphylococcus | 1 | 0 | 1 |
| MRSA | 4 | 0 | 4 |
| MRSA & Group B Streptococcus | 1 | 0 | 1 |
| Coagulase-negative staphylococcus | 13 | 1 | 14 |
| Staphylococcus lugdunensis | 1 | 0 | 1 |
| Staphylococcus warneri, Corynebacterium striatum | 1 | 0 | 1 |
| Coagulase-negative staphylococcus, Bacteroides Fragilis | 1 | 0 | 1 |
| Staphylococcus simulans, Enterococcus faecalis, Corynebacterium striatum | 1 | 0 | 1 |
| Staphylococcus epidermidis, Corynebacterium striatum, Propionibacterium | 1 | 0 | 1 |
| Culture Negative | 5 | 4 | 9 (20) |
| Streptococcus | 1 | 3 | 4 (9) |
| Strep. mitis | 0 | 1 | 1 |
| Strep. viridans | 0 | 1 | 1 |
| Strep. agalactiae | 0 | 1 | 1 |
| Strep. pneumonia | 1 | 0 | 1 |
| Other | 3 | 0 | 3 (7) |
| Enterococcus faecalis | 1 | 0 | 1 |
| Enterococcus sp., Corynebacterium sp. | 1 | 0 | 1 |
| Bacteroides fragilis | 1 | 0 | 1 |
MSSA: Methicillin-susceptible staphylococcus aureus; MRSA: methicillin-resistant staphylococcus aureus