Characteristics and management of primary and other immune thrombocytopenias: Spanish registry study

ABSTRACTBackground: The natural history and its modulation by treatments administered for immune thrombocytopenia (ITP) in the clinical practice remains unknown. In addition, little information is available on the characteristics and management of ITP in Spain.Methods: We conducted an observational, multicenter, registry in 70 Hematology Services from Spain between 2009 and 2011, which included children from 2 months of age and adults with primary ITP or another ITP diagnosed within the last 6 months (platelet count [PC]  6 weeks in 59% of cases), either alone (41%) or as...