Table 3.

Immunoglobulins. N: number of patients, SD: standard deviation.

Level (g/L)	Before immunoapheresis					After immunoapheresis					P
	N	Average	SD	Range	Median	N	Average	SD	Range	Median
IgG	240	7.93788	2.41842	1.59–14.2	7.25	239	3.65904	1.80996	1.51–12.3	3.21	.000000
IgM	240	0.94921	0.32584	0.18–2.01	0.955	239	0.54782	0.2622	0.15–1.51	0.54	.000000
IgA	240	2.32754	1.02688	0.24–4.51	2.44	239	1.28661	0.70743	0.23–4.07	1.22	.000000