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Table 1 Characteristics of patients at the time of diagnosis

From: Favorable outcomes with reduced steroid use in juvenile dermatomyositis

Sex 12 male (39%)  
19 female (61%)
Age [median, (IQR)] 8.1 years (5.6–10.5)  
Weight, kg [median (IQR)] 25.1 (19.2–36.5)  
Symptom duration prior to treatment [median, (IQR)] 2.9 months (1.5–8.6)  
Muscle enzymes Median (IQR) in U/L Normal range in U/L
AST (n = 26) 57 (47–177) 8–60
ALT (n = 26) 48 (27–120) 7–55
CK (n = 28) 328.5 (144–1957) 29–308
Aldolase (n = 28) 12.3 (8.7–24.2) <  14.5
LDH (n = 16) 773 (510–953) 145–293
MRI Diagnostic in 6 out of 7 patients  
EMG 1  
Muscle Biopsy 7  
Myositis antibodies 12 out of 19 positive (63%)  
Anti P155/140 4 (33%)  
Anti Mi-2 3 (25%)  
Unidentified S35 band 5 (41%)