Table 1. Clinical characteristics of invasive GAS cases.
| Characteristic | NF (n=34) |
Other* (n=9) |
All (n=43) |
|---|---|---|---|
| Male, n (%) | 13 (38) | 4 (44) | 17 (40) |
| Age, n (%) | |||
| 0-18 years | 6 (18) | 1 (11) | 7 (16) |
| 18-40 years | 19 (56) | 6 (67) | 25 (58) |
| 40-65 years | 9 (26) | 2 (22) | 11 (26) |
| Clinical events, n (%) | |||
| Death as inpatient | 0 (0) | 1 (11) | 1 (2) |
| Emergency surgery | 34 (100) | 2 (22) | 36 (84) |
| Predisposing factors, n (%) | |||
| Peripartum or postpartum | 3 (9) | 2 (22) | 5 (12) |
| Preceding varicella | 4 (12) | 0 | 4 (9) |
| Source, n (%) | |||
| Patient group | 30 (88) | 5 (56) | 35 (81) |
| Sample bank | 4 (12) | 4 (44) | 8 (19) |
*
Other manifestations comprised: 4 cases of septic arthritis; 2 cases of puerperal sepsis; 2 cases of bacteraemia without overt focus; 1 case of thoracic empyema. NF, necrotising fasciitis.