CIR in all ALL patients. CIR in all ALL patients (A-B), ALL patients ≥4 years of age (C-D), and AML patients (E-F) receiving CloFluBu conditioning. Two-year CIR with standard errors is provided, with P values calculated with the Fine and Gray model for competing risk analysis and correction for covariates where appropriate (Table 2; supplemental Table 1). Patients at risk are depicted below each survival plot.