Patient distribution.

Distribution of the percentages of bone marrow eosinophils (A) and basophils (B) of 288 patients with de novo MDS in this study. We defined bone marrow eosinophilia and basophilia as more than 5% and 1%, respectively (dotted lines). *Includes 3 patients having bone marrow basophilia with 7.8%, 7.9%, and 8.9%, respectively.