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]

Overview

The incidence of essential tremor increases with age.
Incidence of essential tremor is 23.7 per 100,000 annually^[1].
The incidence of Parkinson's disease is in the range of 8 to 18 per 100,000 people yearly^[2].

The prevalence of essential tremor is approximately 0.4% to 5.6%^[3].
Seven million people worldwide and one million people in the United States are suffering from Parkinson's disease.

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.
Mean age-of-onset of Parkinson's disease is 60years^[4].

Prevalence of Parkinson's disease is higher in Caucasians as compared to black or East and oriental populations^[5].

Males are more commonly affected by Parkinson's disease than female. The male to female ratio is approximately 3:2^[6].

Parkinson's disease affects more Caucasians as compared to black or East and Southeast Asian populations.^[5].

↑ Rajput AH, Offord KP, Beard CM, Kurland LT (1984). "Essential tremor in Rochester, Minnesota: a 45-year study". J Neurol Neurosurg Psychiatry. 47 (5): 466–70. doi:10.1136/jnnp.47.5.466. PMC 1027820. PMID 6736976.
↑ de Lau LM, Breteler MM (2006). "Epidemiology of Parkinson's disease". Lancet Neurol. 5 (6): 525–35. doi:10.1016/S1474-4422(06)70471-9. PMID 16713924.
↑ Findley LJ, Koller WC (1987). "Essential tremor: a review". Neurology. 37 (7): 1194–7. doi:10.1212/wnl.37.7.1194. PMID 2885784.
↑ Samii A, Nutt JG, Ransom BR (2004). "Parkinson's disease". Lancet. 363 (9423): 1783–93. doi:10.1016/S0140-6736(04)16305-8. PMID 15172778.
↑ ^5.0 ^5.1 Schoenberg BS (1987). "Descriptive epidemiology of Parkinson's disease: disease distribution and hypothesis formulation". Adv Neurol. 45: 277–83. PMID 3493626.
↑ Kalia LV, Lang AE (2015). "Parkinson's disease". Lancet. 386 (9996): 896–912. doi:10.1016/S0140-6736(14)61393-3. PMID 25904081.