Tremor epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]

Epidemiology and Demographics

Incidence

• The incidence of essential tremor increases with age.

Prevalence

• The prevalence of essential tremor is approximately 0.4% to 5.6%.
• Seven million people worldwide and one million people in the United States are suffering from Parkinson's disease.
• The prevalence of [disease/malignancy] is estimated to be [number] cases annually.

Case-fatality rate/Mortality rate

• In [year], the incidence of [disease name] is approximately [number range] per 100,000 individuals with a case-fatality rate/mortality rate of [number range]%.
• The case-fatality rate/mortality rate of [disease name] is approximately [number range].

Age

• Essential tremor has bimodal incidence according to age, early in life especially second decade, and then in older age groups. The incidence increases with age.
• Incidence of Parkinson's disease increases with age, 1% of the population over 60 are affected and 4% of the population over 80.

Race

• Prevalence of Parkinson's disease is higher in Caucasians as compared to black or East and oriental populations.

Gender

• [Disease name] affects men and women equally.
• Males are more commonly affected by Parkinson's disease than [female]. The [male] to [female] ratio is approximately 3:2.

Region

• Parkinson's disease affects more Caucasians as compared to black or East and Southeast Asian populations.