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Table 1 Demographic and clinical features of South African children with dermatomyositis

From: Juvenile dermatomyositis in South African children is characterised by frequent dystropic calcification: a cross sectional study

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)