Disclaimer: This web tool is intended for research purposes only. This calculator is based on results from a CIBMTR study of transplant related mortality in patients recieving hematopoietic stem cell transplant from unrelated donors with a single class I HLA mismatch. It remains the responsibility of each medical professional to decide on the appropriate medical advice, diagnosis, and treatment for patients.


Hovered Mismatched Locus

Matched or Mismatched HvG

Mismatched GvH or Bidirectional


Invalid Entry