VWF and platelet-type von Willebrand disease: FVIII was 0.09 IU/dL (0.45–1.50) and VWF:Ag 0.03 IU/dL (0.40–2.40) with undetectable ristocetin cofactor (VWF:RCo) and undetectable collagen binding confirming type 3 von Willebrand disease.