Shown are the results based on cytogenetic risk (per IPSS criteria for MDS, and per cooperative group criteria for AML). Reprinted from Biology of Blood and Marrow Transplantation. Conditioning with Treosulfan and fludarabine followed by allogeneic hematopoietic cell transplantation for high-risk hematologic malignancies. E.R. Nemecek, K.A. Guthrie, M.L. Sorror, B.L. Wood, K.C. Doney, R.A. Hilger, B.L. Scott, T.J. Kovacsovics, R.T. Maziarz, A.E. Woolfrey, A. Bedelov, J.E. Sanders, J.M. Pagel, E.J. Sickle, R. Witherspoon, M.E. Flowers, F.R. Appelbaum, H. Joachim Deeg, Biology of Blood and Marrow Transplantation 2011; 17:341–350. © 2011, with permission from Elsevier.