Table of Contents
What age group is most likely to get hemophilia?
In that year, six percent of all Americans diagnosed with hemophilia A were between 0 and 4 years of age….Percentage of people with hemophilia A in the U.S. in 2019, by age group.
| Age group | Percentage of people |
|---|---|
| 5-13 years | 13% |
| 14-18 years | 7% |
| 19-44 years | 39% |
| Above 45 years | 36% |
Where in the world is hemophilia most common?
Hemophilia prevalence varies widely across the United States and is highest in Midwestern and Northeastern states. The estimated incidence of hemophilia among U.S. births is 1 birth per 5,617 male births for hemophilia A and 1 birth per 19,283 male births for hemophilia B.
When was hemophilia found?
The term hemophilia comes from a student of Zurich University, Friedrich Hopff and his professor, Dr. Schonlein, who came up with the term “haemorrhaphilia” which became “haemophilia” in 1828. Argentinian physician, Alfredo Pavlovsky discovered there were two types of hemophilia (A and B) in 1947.
Who is most likely to get hemophilia A?
Hemophilia A is the most common X-linked recessive disorder and the second most common inherited clotting factor deficiency after von Willebrand disease. Hemophilia A mostly affects males but females can also be affected. Approximately 1 in 5,000 newborn males have hemophilia A.
What’s the average age of onset of hemophilia?
Based on CDC data, the median age at diagnosis is 36 months for people with mild hemophilia, 8 months for those with moderate hemophilia, and 1 month for those with severe hemophilia.
How many people are living with hemophilia in the US?
The exact number of people living with hemophilia in the United States is not known. Based on a recent study that used data collected on patients receiving care in federally funded hemophilia treatment centers during the period 2012-2018, as many as 33,000 males in the United States are living with the disorder.
How often does a person with hemophilia have a nose bleed?
Frequent and hard-to-stop nosebleeds. Hemophilia occurs in about 1 of every 5,000 male births. Currently, about 20,000 males in the United States are living with the disorder. Hemophilia A is about four times as common as hemophilia B, and about half of those affected have the severe form.
Who is most at risk for hemophilia in children?
A recent study of young children with bleeding disorders found evidence for decreasing risk of childhood infection from plasma-derived clotting factor concentrates. Hispanic patients with severe hemophilia are about twice as likely to get an inhibitor than non-Hispanic white patients.