Table 1: Laboratory Test Results for Myositis Patients in the Study*

Test Normal Range, Units Number Tested % Below Lower Limit of Normal % Normal % Above Upper Limit of Normal 25% Level 50% (Median) Level 75% Level
Aldolase 1-6 U/L 507 0.0 39.6 60.4 5.0 9.0 21.0
ALT 6-41U/L 618 0.3 56.6 43.0 22.0 35.0 68.0
AST 9-34 U/L 617 0.5 49.0 50.6 23.0 35.0 65.0
CK F 38-252 U/L
M 52-386 U/L
613 7.2 42.4 50.4 82.0 297.0 1136.0
CK-MM 97-100 % 350 63.7 36.0 0.3 89.0 95.0 100.0
CK-MB 0-3 % 355 0.6 47.0 52.4 0.0 3.0 6.0
CK-BB 0 % 355 0.0 96.6 3.4 0.0 0.0 0.0
LD 113-226 U/L 577 0.5 35.0 64.5 200.0 264.0 392.0
Myoglobin 0 ng/ml 269 0.0 52.0 48.0 30.0 64.0 246.0
Albumin 3.7-4.7 g/dL 602 21.9 73.8 4.3 3.7 4.1 4.4
Creatinine F 0.56-1.16 mg/dL;
M 0.77-1.19 mg/dL
618 34.1 62.9 2.9 0.6 0.8 1.0
WBC F 3.98-10.04 k/µL
M 4.29-9.07 k/µL
619 2.8 61.7 35.5 5.8 8.2 11.5
Basophils F 0.1-1.2%
M 0.2-1.2%
609 0.0 99.8 0.2 0.0 0.2 1.0
Lymphocytes F 19.3-51.7%
M 21.8-53.1%
607 37.4 61.9 0.7 9.9 18.0 28.0
Polys F 1.56- 6.13%
M 1.78-5.38%
606 1.2 62.5 36.3 59.5 71.0 83.0
Hematocrit F 34.1-44.9%
M 40.1-51.0%
619 28.8 65.6 5.7 36.5 39.5 42.4
ESR F 0-42 mm/hour
M 0.25 mm/hour
604 1.7 65.4 33.0 12.0 24.5 47.0
IgG 642-1730 mg/dL 536 4.9 77.4 17.7 891.5 1120.0 1400.0
IgM 34-342 mg/dL 536 0.8 83.8 15.5 95.0 142.0 213.0
IgA 91-499 mg/dL 536 1.5 90.5 8.0 149.0 204.0 280.0

* Abbreviations: creatine kinase total level (CK) and isoenzyme fractions (CK-MM, CK-MB, CK-BB), quantitative immunoglobulins (IgG, IgM and IgA), erythrocyte sedimentation rate (ESR), total white blood cell count (WBC) and differential (including percent polymorphonuclear leukocytes (Polys)), alanine aminotransferase (ALT), aspartate aminotransferase (AST), and lactate dehydrogenase (LD), female (F), male (M).