Analysis by Fisher's exact test, χ² test and log rank test; ^a)de novo or secondary and FAB classification.

Abbreviations: RFI, relapse-free interval; F, female; M, male; CR1, first complete response; NE, not evaluated (not atPNUH); HCT, hematopoietic stem cell transplantation; Allo, allogeneic transplantation; Auto, autologoustransplantation; FLAG, fludarabine with G-CSF and Ara-C; MEC, mitoxantrone with etoposide and Ara-C; AI73, Ara-C IV infusion.