Neutrophil recovery.

Cumulative incidence of neutrophil recovery in recipients of unrelated donor UCB versus HLA-matched BM who received GVHD prophylaxis with MTX (BM-MTX) and UCB versus HLA-matched BM who received GVHD prophylaxis with TCD (BM-TCD). UCB versus BM-MTX: engraftment rate,P = .03; engraftment at day 45, P = .41. UCB versus BM-TCD: engraftment rate, P < .01; engraftment at day 45, P = .32.