Haemophilia treatment in the United Kingdom from 1969 to 1974.

A study has been made by the Haemophilia Centre Directors of the United Kingdom and Northern Ireland. From 1969 to 1974 2600 patients with haemophilia A and 388 with haemophilia B attended Haemophilia Centres for treatment. Of these patients, 71 are known to have died in the survey period. A record is presented of the amounts and types of therapeutic materials used each year during this time. The incidenceof jaundice and anti-factor VIII and anti-factor IX antibodies was recorded.