A Ten Year Survey of Chronic Immune Thrombocytopenic Purpura in Canadian Children, 1984–2003: Report of the Canadian Chronic ITP Working Group.

Abstract Chronic Immune Thrombocytopenic Purpura (C-ITP) is a heterogeneous group of disorders manifesting as thrombocytopenia of greater than six months duration. To better understand its natural history, and detect trends of response to therapy and of outcomes, a ten-year retrospective survey of C-ITP diagnosed in Canadian children from age 6 months to under 20 years was conducted in 2004. A standardised form for capture of …