The impact of race on transplantation outcomes was independent of graft source.
The risk of severe acute GVHD was lower in the Japanese patients compared with the Caucasian patients.
The lower risk of acute GVHD resulted in a lower risk of nonrelapse mortality in the Japanese patients.
The risk of relapse was lower in the Japanese patients compared with the Caucasian patients.
Overall survival was higher in the Japanese patients compared with the Caucasian patients.