Table 1.
Demographic and clinical features of South African children with dermatomyositis
| Clinical features | At presentation (%) | Cumulative frequency (%) |
|---|---|---|
| F:M ratio |
16:5 |
|
| Mean (SD) age in years |
9.8.(3.3) |
|
| Mean (SD) follow-up in months |
|
31.6(27.46) |
| Rash |
19/21(90) |
19/21(90) |
| Proximal weakness |
10/21(48) |
10/21(48) |
| Global weakness |
5/21(24) |
5/21(24) |
| Arthritis |
10/21(48) |
11/21(52) |
| Contractures |
4/21(19) |
8/21(38) |
| Calcinosis |
7/21(33) |
15/21(71) |
| Vasculitis |
9/21(43) |
11/21(52) |
|
Staphylococcus aureus infection |
1/21(5) |
7/21(33) |
| Interstitial lung disease | 1/21(5) | 2/21(10) |