From: Macrophage activation syndrome in MDA5 antibody-positive dermatomyositis and COVID-19 infection
 | Laboratory findings on first presentation | Laboratory findings at discharge | Laboratory findings on second presentation | Reference Range |
---|---|---|---|---|
WBC | 3.7 k/µL | 4.3 k/µL | 2.0 k/µL | 4–10.8 k/µL |
Absolute lymphocyte count | 0.6 k/µL | 0.2 k/µL | 0.1 k/µL | 0.6–4.9 k/µL |
Hemoglobin | 14.2 gm/dL | 10.2 gm/dL | 10.1 gm/dL | 11–14.5 gm/dL |
Blood urea nitrogen | 20 mg/dL | 22 mg/dL | 50 mg/dL | 7–17 mg/dL |
Creatinine | 1.30 mg/dL | 0.97 mg/dL | 2.34 mg/dL | 0.52–1.04 mg/dL |
Aspartate aminotransferase (AST) | 179 units/L | 176 units/L | 497 untis/L | 3–35 units/L |
Alanine aminotransferase (ALT) | 55 units/L | 171 units/L | 121 units/L | 15–41 units/L |
Alkaline phosphatase (ALP) | 180 units/L | 267 units/L | 279 units/L | 40–117 units/L |
Total Bilirubin | 0.8 mg/dl | 0.6 mg/dl | 0.9 mg/dl | 0.2–1.3 mg/dl |
Creatine Kinase | 1222 units/L | 267 units/L | 441 units/L | 26–192 units/L |
Lactate Dehydrogenase | 450 units/L |  | 1727 units/L | 86–246 units/L |
C-reactive protein | 17 mg/L |  | 67 mg/L | 0–10 mg/L |
Erythrocyte sedimentation rate | 11 mm/h |  | 20 mm/h | 0–30 mm/h |
ANA screen | Positive, speckled pattern | Â | Â | Â |
ANA titer | 1:80 | Â | Â | Â |
MDA5(CADM-140) | High Positive | Â | Â | Â |
C3 | 78Â mg/dl | Â | Â | Â |
SSA 52 (Ro) (ENA)IgG | 107 AU/ml | Â | Â | Â |
Ferritin |  |  |  > 16,500 ng/mL | 5–148 ng/mL |
Triglyceride |  |  | 461 mg/dl | 0–149 mg/dl |
Interleukin 2 receptor (CD-25) |  |  | 365.3 pg/mL | 175.3–858.2 pg/mL |
Fibrinogen |  |  | 259 mg/dL | 213–536 mg/dL |