Cardiff's Annual Return for 1984 recorded an increase in the use of cryoprecipitate, a greater increase in the amount of NHS concentrates used (1,704,313 units), and a reduction in the amount of commercial concentrates (861,677 units). The individual patient data filed with the 1984 return showed the treatment of a child born in 1971 with cryoprecipitate. The individual patient data filed with the 1984 return showed the treatment of a child born in 1983 with cryoprecipitate.