Table 1.
Summary of results for 100 USA100 Epidemic MRSA
| Molecular typing | Virulence factor PCR | ||||
|---|---|---|---|---|---|
| USA100 | SCCmec II | spa type1 | sed | psmα | |
| Nose | 47 | 47 | 2,151 | 45 (96%) | 47 (100%) |
| Wound | 27 | 27 | 2,586,C | 26 (96%) | 27 (100%) |
| Blood | 13 | 13 | 2,A | 12 (82%) | 13 (100%) |
| Urine | 4 | 4 | 2 | 3 (75%) | 4 (100%) |
| Other | 4 | 4 | 2,151,B | 3 (75%) | 4 (100%) |
| Lung | 3 | 3 | 2 | 3 (100%) | 3 (100%) |
| Unknown | 2 | 2 | 2 | 2 (100%) | 2 (100%) |
| Total | 100 (100%) | 100 (100%) | NA | 94 (94%) | 100 (100%) |
1spa types identified for each disease etiology are listed. A-C are unknown spa types.