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The fdh gene is a marker of commensal strains
| Prevalence (%) | ||
|---|---|---|
| Commensal (n = 71) | Nosocomiala (n = 46) | |
| Fdh | 22.5% (16) | 6.5% (3) |
| icaA | 33.8% (24) | 63.0% (29) |
| mecA | 15.5% (11) | 80.4% (37) |
| IS256 | 4.2% (3) | 47.8% (22) |
The prevalence of each gene was surveyed using PCR as described in the Materials and methods. Of 46 nosocomial isolates, 20 were isolated from positive blood culture, 23 from IV catheter and 3 from matched blood and IV catheter.
