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Survival (overall, progression-free (PFS), and event-free (EFS)) according to the initial absolute numbers of eosinophils at diagnosis analyzed in all patients. For the definition of PFS, patients in the MIS group and patients with mast cell leukemia were not included. Note that for PFS the Y-axis is cut at 70%. The p value refers to the comparison of all three survival curves as assessed by log rank test
