Table 3.

Immunological parameters in cryoprecipitates and supernatants

	Cryoprecipitates	Supernatants	P
IgM (mg/dl)	194·3 ± 217·2	195·4 ± 132·8	n.s.
RF activity (IU/ml)	508·1 ± 341·2	309 ± 388·9	= 0·01
IgG (mg/dl)	85 ± 138·2	1219 ± 473·7	<0·005
Subclasses (mg/dl)
IgG1	91·8 ± 112·5	954·6 ± 370	<0·001
IgG2	21·5 ± 18·9	280·3 ± 70	<0·001
IgG3	7·1 ± 5·3	42 ± 30·7	= 0·002
IgG4	23·4 ± 15·5	36·8 ± 47	= 0·04
C3 (mg/dl)	2 ± 3·3	127·3 ± 44·9	<0·001
C4 (mg/dl)	0·06 ± 0·25	10·6 ± 11·2	<0·001
C1q (mg/dl)	49 ± 37·4	5·5 ± 6·8	<0·001
C1q binding activity(Agg IgG µg/ml)	6·5 ± 9·1	1·2 ± 1·5	= 0·03