Table 2 Immunological test results

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

 C4

15.6 → 15.4

16–40 mg/dl

 C3

91.7 → 77

85–170 mg/dl

 IgG

1240

600–1560 mg/dl

 IgM

61

400–300 mg/dl

 IgA

104

70–450 mg/dl

 IgE

259

< 214 Ku/L