<qa>  What is the percentage of the reduction in bone marrow blasts?In both arms, patients demonstrating at least 20 reduction of blasts in bone marrow based on total cellularity and percent blasts after course 1 may receive 1 additional course of induction therapy between days 35-60 in the absence of disease progression or unacceptable toxicity. Patients achieving CR or CRp after 1 or 2 courses of induction therapy proceed to consolidation therapy. 