Acute and Chronic Graft-Versus-Host Disease After Allogeneic Peripheral-Blood Stem-Cell and Bone Marrow Transplantation: A Meta-Analysis

Both acute and chronic GVHD are more common after PBSCT than BMT, and this may be associated with lower rates of malignant relapse. The magnitude of the transfused T-cell load may explain the differences in chronic GVHD risk.