Figure 1.
Estimated fraction of the various forms of ITP based on clinical experience of the authors. (From Cines et al., 2009.1 Used with permission.) SLE, systemic lupus erythematosus; APS, antiphospholipid syndrome; CVID, common variable immune deficiency; CLL, chronic lymphocytic leukemia; APLS, autoimmune lymphoproliferative syndrome; post-tx, post-bone marrow or solid organ transplantation