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. Author manuscript; available in PMC: 2009 Apr 7.
Published in final edited form as: Transfusion. 2008 Apr 15;48(6):1174–1179. doi: 10.1111/j.1537-2995.2008.01684.x

Table 1.

Results of testing samples from 96 apheresis platelet donors in a mixed antigen microbead-flow analyzer assay

All Donors Females Males
(n = 96) (n = 41) (n = 55)
Antibodies to Class I antigens
  Positive 46 (48%) 22 (54%) 24 (44%)
  Indeterminate 5 (5%) 4 (10%) 1 (4%)
Antibodies to Class II antigens
  Positive 20 (21%) 11 (32%) 9 (16%)
  Indeterminate 5 (5%) 4 (10%) 1 (4%)
Antibodies to Class I or II antigens
  Positive 51 (53%) 26 (59%) 25 (45%)
Antibodies to Class I and II antigens
  Positive 15 (16%) 7 (17%) 8 (15%)