3-year DFS and OS were 48% vs. 45%, p=0.35 and 53% vs. 57%, p=0.35 for TBI vs. BU groups, respectively. Conditioning was not significantly associated with either DFS or OS in multivariate analysis.
Abbreviations: DFS, disease-free survival; OS, overall survival; TBI, total body irradiation; Bu, busulfan; N, number; HCT, hematopoietic cell transplantation; ALL, acute lymphoblastic leukemia