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 and prevalence of tremor as a symptom is not determined. The incidence of essential tremor increases with age, has bimodal incidence according to age. prevalence of essential tremor is approximately 0.4% to 5.6%. The incidence of Parkinson's disease is in the range of 8 to 18 per 100,000 people yearly, seven million people worldwide and one million people in the United States are suffering from Parkinson's disease.
Epidemiology and Demographics
Incidence
- 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].
Prevalence
- 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.
- Exact prevalence of psychogenic tremor had not been determined, but it is thought to be high[4].
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.
- Mean age-of-onset of Parkinson's disease is 60years[5].
- Orthostatic tremor usually targets sixty plus population.
Race
- Prevalence of Parkinson's disease is higher in Caucasians as compared to black or oriental population.[6].
- Parkinson's disease is more common in rural population.
Gender
- Males are more commonly affected by Parkinson's disease than female. The male to female ratio is approximately 3:2[7].
- Females are more commonly affected by orthostatic tremor than males.
Region
- Parkinson's disease affects more Caucasians as compared to black or East and Southeast Asian population.[6].
References
- ↑ 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.
- ↑ Chou KL (2004). "Diagnosis and management of the patient with tremor". Med Health R I. 87 (5): 135–8. PMID 15250610.
- ↑ 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.
- ↑ 6.0 6.1 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.