TABLE 4.
Concordance of Staphylococcus aureus strains colonizing case subjects with S. aureus-positive closed skin infections
| Infection (n) and site | Same strain |
Different strain (MSSA) |
Different strain (MRSA) |
Not colonized |
||||
|---|---|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | No. | % | |
| MRSA (49) | ||||||||
| Groin | 37 | 75.5 | 1 | 2.0 | 0 | 0.0 | 11 | 22.4 |
| Nose | 32 | 65.3 | 5 | 10.2 | 1 | 2.0 | 11 | 22.4 |
| Rectala | 31 | 63.3 | 2 | 4.1 | 1 | 2.0 | 16 | 32.7 |
| Throata | 23 | 46.9 | 10 | 20.4 | 1 | 2.0 | 16 | 32.7 |
| Any site | 46 | 93.9 | 15 | 30.6 | 3 | 6.1 | 2 | 4.1 |
| MSSA (36) | ||||||||
| Groina | 17 | 47.2 | 5 | 13.9 | 2 | 5.6 | 13 | 36.1 |
| Nose | 19 | 52.8 | 4 | 11.1 | 1 | 2.8 | 12 | 33.3 |
| Rectala | 19 | 52.8 | 0 | 0.0 | 2 | 5.6 | 16 | 44.4 |
| Throat | 16 | 44.4 | 6 | 16.7 | 1 | 2.8 | 13 | 36.1 |
| Any site | 29 | 80.6 | 11 | 30.6 | 3 | 8.3 | 4 | 11.1 |
a
More than one strain was recovered at this site.