Essential thrombocytosis epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Soujanya Thummathati, MBBS [2]

Overview

The incidence of essential thrombocytosis is approximately 0.6-2.5 cases per 100,000 individuals worldwide annually. The prevalence of essential thrombocytosis is about 30 for every 100,000 people worldwide. The incidence of essential thrombocytosis increases with age; the median age at diagnosis is 65-70 years. Patients of all age groups may develop essential thrombocytosis. However it commonly affects individuals older than 60 years of age. Females are more commonly affected with essential thrombocytosis than males. The female to male ratio is approximately 2 to 1.

Epidemiology

Incidence

• The annual incidence of essential thrombocytosis was estimated to be 0.6-2.5 cases per 100,000 individuals worldwide.
• In reality, the incidence may be much more higher attributing the incidental diagnosis of the condition where many go undiagnosed due to lack of routine medical care.

Prevalence

• Worldwide, the prevalence of essential thrombocytosis is about 30 for every 100,000 people worldwide..

Age

• Patients of all age groups may develop essential thrombocytosis. However it commonly affects individuals older than 60 years of age.
• The median age at onset is 65-70 years.

Gender

• Women in their third decade of life are more commonly affected with essential thrombocytosis than men at same age. The female to male ratio is approximately 2:1.
• Patients who present in the 6th decade of life usually have same incidence in both men and women.

References

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