OS. OS of the entire cohort (A), depending on the regimen used (B), donor type (C), period of HSCT (D), and age at HSCT (E). (F) Continuous hazard ratio depending on age at HSCT. Shaded areas represent the 95% confidence interval. MMFD, mismatched family donor; MMUD, mismatched unrelated donor; MFD, matched family donor; MSD, matched sibling donor; MUD, matched unrelated donor; TT, thiotepa; Tx, transplant.