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Table 2 Disease characteristics of 45 patients with juvenile dermatomyositis

From: Muscle MRI at the time of questionable disease flares in Juvenile Dermatomyositis (JDM)

Test name Patients with completed test N (%) Patients with abnormal results N (%)
CK 44/45 (98%) 23/44 (52%)
LDH 37/45 (82%) 23/37 (62%)
Aldolase 43/45 (95%) 31/43 (72%)
AST 44/45 (98%) 24/44 (54%
MRI at diagnosis 40/45 (89%) 31/40 (77%)
EMG 8/45 (18%) 3/8 (38%)
Muscle biopsy 11/45 (24%) 10/11 (90%)
Skin biopsy 2/45 (4%) 2/2 (100%)