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Table 2 Immunological test results

From: Acute kidney injury secondary to thrombotic microangiopathy associated with idiopathic hypereosinophilic syndrome: a case report and review of the literature

Autoimmune serology Results Reference values
Antinuclear antibody 0.50 < 0.90, negative
Anti-double-stranded DNA antibody 1 < 4 IU/ml, negative
Serine protease 3 antibody 1 0–19 AU/ml
Antineutrophil antibody Positive Negative
Myeloperoxidase antibody Not detected < 1.0, not detected
Histone antibody IgG 0.6 0.0–0.9 units
Cardiolipin IgA 0.0 0–11 units
Cardiolipin IgM 7.0 < 20 units, negative
Complement
 C4 15.6 → 15.4 16–40 mg/dl
 C3 91.7 → 77 85–170 mg/dl
Immunoglobulins
 IgG 1240 600–1560 mg/dl
 IgM 61 400–300 mg/dl
 IgA 104 70–450 mg/dl
 IgE 259 < 214 Ku/L
  1. DNA Deoxyribonucleic acid, Ig G Immunoglobulin G, Ig M Immunoglobulin M, Ig A Immunoglobulin A, Ig E Immunoglobulin E