Table 2. Autoimmune profile parameters .

ANA, anti-nuclear antibody; anti-ds DNA, anti-double-stranded DNA

Autoimmune profile  parameter	Reference range	Value
ANA	-	1:2560, nuclear, fine speckled
Anti-ds DNA	Negative: <4 IU/mL; indeterminate: 5-9 IU/mL; positive: ≥10 IU/mL	2 IU/mL
Serum complement C3	0.9-1.8 g/L	0.29 g/L
Serum complement C4	0.1-0.4 g/L	0.09 g/L
Anti-nucleosome antibody	Negative: <1.0; positive: ≥1.0	6.2
Anti-smith antibody	Negative: <1.0; positive: ≥1.0	2.1
Anti-cardiolipin IgM	Negative: <20 U/mL; low positive: 20-40 U/mL; medium positive: 40-80 U/mL; high positive: >80 U/mL	<1.5 U/mL
Anti-cardiolipin IgG	Negative: <20 U/mL; low positive: 20-40 U/mL; medium positive: 40-80 U/mL; high positive: >80 U/mL	<1.6 U/mL
Anti ß2 glycoprotein 1 IgM	Negative: <20 RU/mL; positive: ≥20 RU/mL	<0.8 RU/mL
Anti ß2 glycoprotein 1 IgG	Negative: <20 RU/mL; positive: ≥ 20 RU/mL	2.88 RU/mL
Lupus anticoagulant ratio (DRVV LA screen/LA confirm ratio)	0.8-1.2	1.08