ASH Clinical News October 2015 | Page 51

CLINICAL NEWS TABLE 2. Incidence Rates of Avascular Necroses Incidence of AVN p Value Gender Male 0.8% Female 1.2% 0.19 Age >10 years 4.3% ≤10 years 0.8% 0.001 Body mass index at beginning of treatment High 3.1% Normal 1.6% Low 0.3% 0.0001 for all Response to treatment on day 15 >10% blast cells in the bone marrow 1.8% ≤10% blast cells in the bone marrow 0.9% 0.057 changes in AVN: 2,000 mg/m2 methotrexate was as ͽ