Table 1. VWF parameters in type 2A and... | American Society of Hematology

Table 1.

VWF parameters in type 2A and 2B VWD patients

Patient	VWF:antigen, %	R:cof,^*%	Gene analysis
2A-1	86	9.6	ND
-2	42	4.8	ND
-3	35	< 4.8	ND
2B-1	42	4.8	Arg545Cys
-2^*	34	4.8	Arg545Cys
-3^†	36	12	Val553Met
-4^†	42	12	Val553Met

Patient	VWF:antigen, %	R:cof,^*%	Gene analysis
2A-1	86	9.6	ND
-2	42	4.8	ND
-3	35	< 4.8	ND
2B-1	42	4.8	Arg545Cys
-2^*	34	4.8	Arg545Cys
-3^†	36	12	Val553Met
-4^†	42	12	Val553Met

R:cof indicates ristocetin cofactor activity of VWF; ND, not determined.

Patient 2B-2 is the son of 2B-1.

Patients 2B-3 and 2B-4 are brothers.