Table 1

Incidence of FVIII inhibitor (both high and low titer) by age category in patients with severe hemophilia A in the United Kingdom between 1990 and 2009

Age category, yIncidence, % (per 1000 patient-years)
0-464.3
5-99.4
10-495.3
50-595.2
> 6010.5
  • Data are from Hay et al.40