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. 2010 Oct;20(5):303–314. doi: 10.1111/j.1365-3148.2010.01017.x

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Transfusion Medicine © 2010 British Blood Transfusion Society

Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation.

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Fig. 1 — Ethnic and sexual differences. (a) Ethnic differences. The amount (MFI) of A antigen on platelets of the A₁ subgroup between EUB (n = 143) and AFB (n = 40) was significantly different (Mann–Whitney = 2111·5; Z = 2·53, P = 0·0115). No significant differences were found for the A₂ subgroup (EUB, n = 33; AFB, n = 8) (Mann–Whitney = 108·0; Z = 0·79, P = 0·4296). A_int subgroup was not analysed due to the small sample size (n = 17). (b) Sexual differences. The amount (MFI) of A antigen expressed on platelets of the A₁ subgroup between male (n = 117) and female (n = 66) was significant (Mann–Whitney = 2867·5; Z = 2·89, P = 0·0039). Bars denote ±1 SEM.