Isolated IgA Anti-β2 Glycoprotein I Antibodies in Patients with Clinical Criteria for Antiphospholipid Syndrome

Table 2

Quantitative values (U/mL) of autoantibodies aPL in patients with symptoms of APS versus control population.

Antibody	Control		APS
	Mean	S.E.	Mean	S.E.	𝑃 value
aB2GPI IgG	1.6	0.07	14.6	3.35	0.0002
aB2GPI IgM	2.6	1.87	7.6	0.30	0.0085
aB2GPI IgA	5.5	0.52	26.9	3.94	<0.0001
aCL IgG	2.0	3.28	14.8	0.10	0.0001
aCL IgM	2.2	0.20	6.4	1.34	0.0026
aCL IgA	3.5	0.95	8.2	3.20	0.2006