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Table 1 Evaluation of diagnostic modalities in JDM

From: Diagnostic evaluation and medication usage in a cohort of subjects with juvenile dermatomyositis from the CARRAnet registry

 

N (%)

Muscle biopsy (n=89)

 

Performed

44 (49.4)

Consistent with JDM

29 (65.9)

EMG (n=86)

 

Performed

36 (41.9)

Consistent with JDM

25 (69.4)

MRI (n=87)

 

Performed

74 (85.1)

Consistent with JDM

61 (82.4)

Combination of ≥2 studies (n=91)

 

Performed

48 (52.7)

2 studies consistent with JDM

26 (54.2)

A study consistent with JDM

22 (45.8)