Statistics indicate that if you have a database of 10,000 donors, the chance of an HLA match is 15 %, rising to 45 % for a list of 100,000 and to 75 % if you have a pool of one million potential donors.
據估計，一萬筆資料中，白血球抗原吻合的機率是百分之十五，十萬筆是百分之四十五，一百萬筆，則可以提高到百分之七十五。