Table 2.

IgG subclasses distribution in patients and controls.

	AChR-MG	MuSK-MG	SARD	HBD
IgG1, g/L	7.93 ± 5.73	6.43 ± 4.75	9.77 ± 5.68∗	6.46 ± 1.64
IgG2, g/L	4.57 ± 2.68	4.92 ± 2.90	4.28 ± 1.53	4.39 ± 1.06
IgG3, g/L	0.64 ± 0.45	0.57 ± 0.49	0.87 ± 0.60	0.81 ± 0.31
IgG4, g/L	0.35 ± 0.37	0.36 ± 0.34	0.43 ± 0.42	0.32 ± 0.19

Normal range for subclasses: 3.82–9.29 g/L for IgG1; 2.42–7.0 g/L for IgG2; 0.22–1.76 g/L for IgG3; and 0.04–0.86 g/L for IgG4. ^∗ p = 0.02.