How does a patient’s ethnic background affect matching?
A patient’s likelihood of finding a matching bone marrow donor or cord blood unit on the NMDP Registry® ranges from 19% to 80% depending on ethnic background.
When it comes to matching human leukocyte antigen (HLA) types, a patient’s ethnic background is important in predicting the likelihood of finding a match. This is because HLA markers used in matching are inherited. Some ethnic groups have more complex tissue types than others. So a person’s best chance of finding a donor may be with someone of the same ethnic background.
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