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Survival of 644 MDS patients diagnosed according to the WHO criteria at the Department of Hematology Oncology, Fondazione IRCCS Policlinico San Matteo & University of Pavia, Pavia, Italy, and stratified according to the WPSS. (A) Kaplan-Meier curves. (B) Kaplan-Meier time-dependent curves of MDS patients grouped according to the dynamic WPSS.
