- The incidence rate of polycythemia vera (PV) varies worldwide, ranging from approximately 0.5 to 2.5 new cases per 100,000 people each year.
- The average age at which PV is diagnosed is about 60 to 65 years old.
- PV is uncommon in individuals younger than 30 years old.
- There are an estimated 0.1 to 2.4 new cases of primary thrombocythemia (PT) per 100,000 people each year.
- PT occasionally occurs in older children but is diagnosed mostly in adult men and women.
- Myelofibrosis affects about two in one million people.
- The average age at which myelofibrosis is diagnosed is between 50 and 80 years, but it can occur at any age.
- Myelofibrosis affects both men and women.
last updated on
Thursday, May 17, 2012