Table 1

Summary of patient demographics
JDM patients Median (inter-quartile range)
Age at disease onset 6.0 (3.8 to 9.9) years
Number of male: female patients 14:42
Disease duration 0.5 years (0.25 to 1.8)
CHAQ 1.3 (1.0 to 2.2)
CMAS 33 (14 to 48)
Physician’s Global Assessment 4.2 (2.4 to 7.4)
LDH 1018 (781 to 1759)
CK 223 (56 to 1165)
ESR 19 (13 to 37)
Patients receiving methotrexate 14/48 (29%, 8 missing data)
Patients receiving cortico-steroids 24/51 (47%, 5 missing data)

CK, creatine kinase; CHAQ, childhood health assessment questionnaire; CMAS, childhood myositis assessment score; ESR, erythrocyte sedimentation rate; LDH, lactate dehydrogenase.

Nistala et al.

Nistala et al. Arthritis Research & Therapy 2013 15:R131   doi:10.1186/ar4311

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