Characterization and management of patients with hereditary factor X deficiency: A case series

HFXD presents with variable bleeding phenotypes that may not correlate with FX:C levels. This analysis demonstrates that while bleeding phenotypes generally align with the revised EN-RBD classification, patients with mild or moderate HFXD can experience significant bleeding. Future work should focus on correlating genotype with phenotype and refining management guidelines for mild and moderate HFXD.