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. Author manuscript; available in PMC: 2015 Jul 30.
Published in final edited form as: Haemophilia. 2013 Jul 16;20(1):25–31. doi: 10.1111/hae.12229

Figure 1.

Figure 1

Identification of Hemophilia B Inhibitor Patients in the UDC Database

Reveals how inhibitor subjects were identified. The initial screen of the database revealed 203 potential subjects with an inhibitor based on a titer of 0.5 Bu ml−1 or greater. Of these 128 were shown not to have an inhibitor based on PI response to inquiries of their submitted data or UDC data alone for those subjects whose PI did not respond to inquiries. This left 75 subjects with an inhibitor. ITI= immune tolerance induction therapy; Bypass= use of a bypassing agent such as recombinant factor VIIa or an activate prothrombin complex concentrate