Identifying hemophilia B carriers: Utility of aPTT, factor IX levels and ratios of factor IX to other Vitamin K dependent factors.
Michael ShuCaroline MalcolmsonAlessandra BoschTeodora MarkovicCindy WakefieldVanessa BouskillManuel D CarcaoPublished in: Haemophilia : the official journal of the World Federation of Hemophilia (2024)
aPTT and FIX:C levels were unreliable in diagnosing HB carrier status. A low ratio of FIX:C to other Vitamin K dependent factors may be a useful marker of HB carrier status.
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