Table 2.
Distribution of microbiology results for each group.
| Culture result | Cases (n = 20) |
Matched control (n = 20) |
||
|---|---|---|---|---|
| Frequency | Percent | Frequency | Percent | |
| Methicillin-sensitive Staphylococcus aureus | 7 | 35 | 3 | 15 |
| Methicillin-sensitive Staphylococcus epidermidis | 1 | 5 | 1 | 5 |
| Methicillin-resistant S. aureus | 4 | 20 | 3 | 15 |
| Methicillin-resistant S. epidermidis | 1 | 5 | 5 | 25 |
| Escherichia coli | 1 | 5 | 0 | 0 |
| Enterobacter cloacae | 1 | 5 | 0 | 0 |
| Enterococcus faecalis | 0 | 0 | 1 | 5 |
| Group A Streptococcus | 1 | 5 | 0 | 0 |
| Group B Streptococcus | 1 | 5 | 1 | 5 |
| Acinetobacterbaumannii | 1 | 5 | 0 | 0 |
| Morganella morgani | 0 | 0 | 1 | 5 |
| Proteus mirabilis | 0 | 0 | 1 | 5 |
| Pseudomonas aeruginos | 0 | 0 | 1 | 5 |
| Culture negative | 2 | 10 | 3 | 15 |
There was no difference in overall microbial spectra (P = .38) or antibiotic-resistant organisms (P = .54) between groups.