TABLE 3.
Correlation between predominant clinical manifestations and emm types of invasive S. pyogenes strains
| Clinical manifestation(s) or parameter | Total no. of cases | No. with following emm type: |
||||||
|---|---|---|---|---|---|---|---|---|
| emm15 | emm92 | emm106 | emm74 | emm89 | emm109 | Other | ||
| NF | 41 | 8 | 5 | 4 | 3 | 1 | 2 | 18 |
| Bacteremia | ||||||||
| No identified focus | 12 | 2 | 2 | 1 | 2 | 0 | 0 | 5 |
| STSSa | 1 | 1 | ||||||
| Myositis | 10 | 1 | 1 | 1 | 0 | 2 | 1 | 4 |
| Septic arthritis | 9 | 0 | 1 | 0 | 0 | 2 | 1 | 5 |
| Erysipelas | 8 | 1 | 1 | 0 | 0 | 0 | 1 | 5 |
| Postpartum infectionb | 4 | 0 | 1 | 0 | 1 | 0 | 0 | 2 |
| Osteomyelitis | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Pneumonia + STSSa | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Endocarditis | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Myelitis | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total (% of overall total) | 90 | 14 (15.5) | 11 (12.2) | 8 (8.9) | 6 (6.7) | 5 (5.6) | 5 (5.6) | 41 (45.5) |
a
Fatal.
b
Four cases, including one mother-and-baby case due to an st6735 strain.