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Table 3 Normal muscle enzymes, ESR, WBC and hemoglobin at diagnosis (diagnosis)

From: Is juvenile dermatomyositis a different disease in children up to three years of age at onset than in children above three years at onset? A retrospective review of 23 years of a single center’s experience

Labs at diagnosis

3 Years or below age group n = 19

Above 3 years of age group n = 59

Total patients

p-value

Normal AST

14 (73.6%)

23 (38.9%)

78

0.021

Normal Aldolase

14 (73.6%)

20 (33.8%)

78

0.035

Normal LDH

15 (78.90% )

25 (42.30%)

78

0.042

Normal CK

14 (73.60%)

25 (42.3%)

78

0.032

Elevated ESR

12 (63% )

26 (44%)

78

0.152

Elevated WBC

None (0)

4 (7%)

78

-

Low Hb (<11gm/dl)

9 (47%)

21 (35%)

78

0.361