Alzheimer's disease epidemiology and demographics: Difference between revisions

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'''Trends in United states'''
'''Trends in United states'''
* The following table outlines the general prevalence trends according to age in the United States:
* The following table outlines the general prevalence trends according to age in the United States:<ref name="pmid2233632">{{cite journal |vauthors=Evans DA |title=Estimated prevalence of Alzheimer's disease in the United States |journal=Milbank Q |volume=68 |issue=2 |pages=267–89 |year=1990 |pmid=2233632 |doi= |url=}}</ref><ref name="pmid12925369">{{cite journal |vauthors=Hebert LE, Scherr PA, Bienias JL, Bennett DA, Evans DA |title=Alzheimer disease in the US population: prevalence estimates using the 2000 census |journal=Arch. Neurol. |volume=60 |issue=8 |pages=1119–22 |year=2003 |pmid=12925369 |doi=10.1001/archneur.60.8.1119 |url=}}</ref><ref name="pmid16103729">{{cite journal |vauthors=Langa KM, Plassman BL, Wallace RB, Herzog AR, Heeringa SG, Ofstedal MB, Burke JR, Fisher GG, Fultz NH, Hurd MD, Potter GG, Rodgers WL, Steffens DC, Weir DR, Willis RJ |title=The Aging, Demographics, and Memory Study: study design and methods |journal=Neuroepidemiology |volume=25 |issue=4 |pages=181–91 |year=2005 |pmid=16103729 |doi=10.1159/000087448 |url=}}</ref>
{| class="wikitable"
{| class="wikitable"
! colspan="1" rowspan="2" |Age (years)
! colspan="1" rowspan="2" |Age (years)
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* Low prevalence of dementia has been reported in India and sub-Saharan Africa
* Low prevalence of dementia has been reported in India and sub-Saharan Africa
'''Trends in developing countries'''
'''Trends in developing countries'''
* The following table outlines the general prevalence trends in major developing countries:
* The following table outlines the general prevalence trends in major developing countries:<ref name="pmid17965036">{{cite journal |vauthors=Dong MJ, Peng B, Lin XT, Zhao J, Zhou YR, Wang RH |title=The prevalence of dementia in the People's Republic of China: a systematic analysis of 1980-2004 studies |journal=Age Ageing |volume=36 |issue=6 |pages=619–24 |year=2007 |pmid=17965036 |doi=10.1093/ageing/afm128 |url=}}</ref><ref name="pmid15767510">{{cite journal |vauthors=Zhang ZX, Zahner GE, Román GC, Liu J, Hong Z, Qu QM, Liu XH, Zhang XJ, Zhou B, Wu CB, Tang MN, Hong X, Li H |title=Dementia subtypes in China: prevalence in Beijing, Xian, Shanghai, and Chengdu |journal=Arch. Neurol. |volume=62 |issue=3 |pages=447–53 |year=2005 |pmid=15767510 |doi=10.1001/archneur.62.3.447 |url=}}</ref><ref name="pmid9804120">{{cite journal |vauthors=Lin RT, Lai CL, Tai CT, Liu CK, Yen YY, Howng SL |title=Prevalence and subtypes of dementia in southern Taiwan: impact of age, sex, education, and urbanization |journal=J. Neurol. Sci. |volume=160 |issue=1 |pages=67–75 |year=1998 |pmid=9804120 |doi= |url=}}</ref><ref name="pmid9057167">{{cite journal |vauthors=Liu HC, Wang SJ, Fuh JL, Liu CY, Lin KP, Lin CH, Wang PN, Lin KN, Wang HC, Chen HM, Chang R, Larson EB, Wu GS, Chou P, Teng EL |title=The Kinmen Neurological Disorders Survey (KINDS): a study of a Chinese population |journal=Neuroepidemiology |volume=16 |issue=2 |pages=60–8 |year=1997 |pmid=9057167 |doi= |url=}}</ref><ref name="pmid14511090">{{cite journal |vauthors=Suh GH, Kim JK, Cho MJ |title=Community study of dementia in the older Korean rural population |journal=Aust N Z J Psychiatry |volume=37 |issue=5 |pages=606–12 |year=2003 |pmid=14511090 |doi=10.1046/j.1440-1614.2003.01237.x |url=}}</ref><ref name="pmid12003250">{{cite journal |vauthors=Vas CJ, Pinto C, Panikker D, Noronha S, Deshpande N, Kulkarni L, Sachdeva S |title=Prevalence of dementia in an urban Indian population |journal=Int Psychogeriatr |volume=13 |issue=4 |pages=439–50 |year=2001 |pmid=12003250 |doi= |url=}}</ref><ref name="pmid12891639">{{cite journal |vauthors=de Silva HA, Gunatilake SB, Smith AD |title=Prevalence of dementia in a semi-urban population in Sri Lanka: report from a regional survey |journal=Int J Geriatr Psychiatry |volume=18 |issue=8 |pages=711–5 |year=2003 |pmid=12891639 |doi=10.1002/gps.909 |url=}}</ref><ref name="pmid12417360">{{cite journal |vauthors=Bowirrat A, Friedland RP, Korczyn AD |title=Vascular dementia among elderly Arabs in Wadi Ara |journal=J. Neurol. Sci. |volume=203-204 |issue= |pages=73–6 |year=2002 |pmid=12417360 |doi= |url=}}</ref><ref name="pmid10637837">{{cite journal |vauthors=Llibre JJ, Guerra MA, Pérez-Cruz H, Bayarre H, Fernández-Ramírez S, González-Rodríguez M, Samper JA |title=[Dementia syndrome and risk factors in adults older than 60 years old residing in Habana] |language=Spanish; Castilian |journal=Rev Neurol |volume=29 |issue=10 |pages=908–11 |year=1999 |pmid=10637837 |doi= |url=}}</ref><ref name="pmid12040305">{{cite journal |vauthors=Herrera E, Caramelli P, Silveira AS, Nitrini R |title=Epidemiologic survey of dementia in a community-dwelling Brazilian population |journal=Alzheimer Dis Assoc Disord |volume=16 |issue=2 |pages=103–8 |year=2002 |pmid=12040305 |doi= |url=}}</ref><ref name="pmid9831815">{{cite journal |vauthors=Quiroga P, Calvo C, Albala C, Urquidi J, Santos JL, Pérez H, Klaassen G |title=Apolipoprotein E polymorphism in elderly Chilean people with Alzheimer's disease |journal=Neuroepidemiology |volume=18 |issue=1 |pages=48–52 |year=1999 |pmid=9831815 |doi= |url=}}</ref><ref name="pmid10775968">{{cite journal |vauthors=Rosselli D, Ardila A, Pradilla G, Morillo L, Bautista L, Rey O, Camacho M |title=[The Mini-Mental State Examination as a selected diagnostic test for dementia: a Colombian population study. GENECO] |language=Spanish; Castilian |journal=Rev Neurol |volume=30 |issue=5 |pages=428–32 |year=2000 |pmid=10775968 |doi= |url=}}</ref><ref name="pmid12134301">{{cite journal |vauthors=Pradilla G, Vesga BE, Leon-Sarmiento FE, Bautista LE, Núñez LC, Vesga E, Gamboa NR |title=[Neuroepidemiology in the eastern region of Colombia] |language=Spanish; Castilian |journal=Rev Neurol |volume=34 |issue=11 |pages=1035–43 |year=2002 |pmid=12134301 |doi= |url=}}</ref>
{| class="wikitable"
{| class="wikitable"
|'''Asia'''
|'''Asia'''

Revision as of 03:11, 18 September 2017

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Overview

Alzheimer's disease is the most frequently observed form of dementia, and it typically develops in elderly patients.

Epidemiology

Alzheimer's disease (AD) is the most common type of dementia observed in the elderly; it affects almost half of all patients with dementia. Correspondingly, advancing age is the primary risk factor for the development of AD.[1] [2] An estimated 35 million people worldwide have Alzheimer's disease.

Prevalence

  • The World Health Organization estimated that in 2005, 0.379% of people worldwide had dementia, and that the prevalence would increase to 0.441% in 2015 and to 0.556% in 2030[3][4]
  • In 2006 it was determined that 0.40% of the world population (range: 0.17–0.89%; absolute number: 26.6 million; range: 11.4–59.4 million) were afflicted with AD, and that the prevalence rate would triple and the absolute number would quadruple by the year 2050.[5]

Trends in United states

  • The following table outlines the general prevalence trends according to age in the United States:[6][7][8]
Age (years) All dementia per 100,000 individuals Alzheimer's disease (AD) per 100,000 individuals
Combined Men Women Combined Men Women
71–79 4970 525 4760 2320 2300 2330
80–89 24190 17680 27840 18100 12330 21340
90+ 3720 44590 34690 2960 33890 28150
Total 13670 10800 15530 9510 6770 11290

Developed countries

Developing countries

  • Prevalence rates in developing regions are lower[4]
  • Low prevalence of dementia has been reported in India and sub-Saharan Africa

Trends in developing countries

Asia Year Diagnostic criteria Age Prevalence (All dementia)

per 100,000 individuals

Prevalence of Alzheimer's dementia per 100,000 individuals Causes of other dementia
China 2007 DSM-III, ICD-10 >65 3100 2000 Mixed, PDD, DLB,FTD
China (Beijing, Xian, Shanghai, Chengdu) 2005 DSM-IV >65 5000 3500 Mixed, PDD, DLB
Taiwan 1995-1998 DSM-IIIR, DSM-IV >65 3200 1900 Mixed
South Korea 1994-2005 DSM-III, DSM-IV >65 10100 5200 Mixed
Thailand 2001 DSM-III >60 3400 - -.
India 1996-2006 DSM-III, DSM-IV >65 2700 1300 Mixed, PDD, DLB, PSD
Sri Lanka 2003 DSM-IV >65 3980 2850 Mixed
Israel (Wadi Ara) 2002 DSM-IV >65 21100 20500 Mixed
Africa
Egypt 1998 DSM-IV >65 5930 2860 Mixed
Nigeria 1995 DSM-III, ICD-10 >65 2300 1400 Mixed, DLB
Latin America
Cuba 1999 DSM-IV >60 8.200 5100 Mixed, alcohol dementia
Argentina 1999 DSM-IV >65 11.500 - Age
Brazil 2002-2008 DSM-IIIR, DSM-IV >65 5300 2700 Mixed, PDD
Chile 1997 DSM-IIIR >65 4300 - -
Colombia 2000 DSM-IV >65 and >75 1800 - -
Peru 2007 DSM-IV >65 6700 - -
Venezuela 2002 DSM-IV >55 and >65 8000 4000 Mixed

Legend: PDD= Parkinson disease dementia, PSD= Post-stroke dementia, FTD= Fronto-temporal dementia, Mixed= Alzheimer's plus vascular dementia

Age

Generally, AD is diagnosed in people over 65 years of age,[22] although the less prevalent early-onset Alzheimer's can occur much earlier.

AD incidence rates
after 65 years of age[23]
Age Incidence
(new affected)
per thousand
person–years
65–69  3
70–74  6
75–79  9
80–84 23
85–89 40
90–   69

References

  1. ↑ Gorelick P (2004). "Risk factors for vascular dementia and Alzheimer disease". Stroke. 35 (11 Suppl 1): 2620–2622. doi:10.1161/01.STR.0000143318.70292.47. PMID 15375299.
  2. ↑ Hebert L, Scherr P, Bienias J, Bennett D, Evans D (2003). "Alzheimer disease in the U.S. population: prevalence estimates using the 2000 census". Archives of Neurology. 60 (8): 1119–1122. doi:10.1001/archneur.60.8.1119. PMID 12925369.
  3. ↑ World Health Organization (2006). Neurological Disorders: Public Health Challenges. Switzerland: World Health Organization. pp. 204–207. ISBN 978-92-4-156336-9.
  4. ↑ 4.0 4.1 Ferri CP, Prince M, Brayne C; et al. (2005). "Global prevalence of dementia: a Delphi consensus study" (PDF). Lancet. 366 (9503): 2112–7. doi:10.1016/S0140-6736(05)67889-0. PMID 16360788. Retrieved 2008-06-13. Unknown parameter |month= ignored (help)
  5. ↑ 2006 prevalence estimate:
  6. ↑ Evans DA (1990). "Estimated prevalence of Alzheimer's disease in the United States". Milbank Q. 68 (2): 267–89. PMID 2233632.
  7. ↑ Hebert LE, Scherr PA, Bienias JL, Bennett DA, Evans DA (2003). "Alzheimer disease in the US population: prevalence estimates using the 2000 census". Arch. Neurol. 60 (8): 1119–22. doi:10.1001/archneur.60.8.1119. PMID 12925369.
  8. ↑ Langa KM, Plassman BL, Wallace RB, Herzog AR, Heeringa SG, Ofstedal MB, Burke JR, Fisher GG, Fultz NH, Hurd MD, Potter GG, Rodgers WL, Steffens DC, Weir DR, Willis RJ (2005). "The Aging, Demographics, and Memory Study: study design and methods". Neuroepidemiology. 25 (4): 181–91. doi:10.1159/000087448. PMID 16103729.
  9. ↑ Dong MJ, Peng B, Lin XT, Zhao J, Zhou YR, Wang RH (2007). "The prevalence of dementia in the People's Republic of China: a systematic analysis of 1980-2004 studies". Age Ageing. 36 (6): 619–24. doi:10.1093/ageing/afm128. PMID 17965036.
  10. ↑ Zhang ZX, Zahner GE, Román GC, Liu J, Hong Z, Qu QM, Liu XH, Zhang XJ, Zhou B, Wu CB, Tang MN, Hong X, Li H (2005). "Dementia subtypes in China: prevalence in Beijing, Xian, Shanghai, and Chengdu". Arch. Neurol. 62 (3): 447–53. doi:10.1001/archneur.62.3.447. PMID 15767510.
  11. ↑ Lin RT, Lai CL, Tai CT, Liu CK, Yen YY, Howng SL (1998). "Prevalence and subtypes of dementia in southern Taiwan: impact of age, sex, education, and urbanization". J. Neurol. Sci. 160 (1): 67–75. PMID 9804120.
  12. ↑ Liu HC, Wang SJ, Fuh JL, Liu CY, Lin KP, Lin CH, Wang PN, Lin KN, Wang HC, Chen HM, Chang R, Larson EB, Wu GS, Chou P, Teng EL (1997). "The Kinmen Neurological Disorders Survey (KINDS): a study of a Chinese population". Neuroepidemiology. 16 (2): 60–8. PMID 9057167.
  13. ↑ Suh GH, Kim JK, Cho MJ (2003). "Community study of dementia in the older Korean rural population". Aust N Z J Psychiatry. 37 (5): 606–12. doi:10.1046/j.1440-1614.2003.01237.x. PMID 14511090.
  14. ↑ Vas CJ, Pinto C, Panikker D, Noronha S, Deshpande N, Kulkarni L, Sachdeva S (2001). "Prevalence of dementia in an urban Indian population". Int Psychogeriatr. 13 (4): 439–50. PMID 12003250.
  15. ↑ de Silva HA, Gunatilake SB, Smith AD (2003). "Prevalence of dementia in a semi-urban population in Sri Lanka: report from a regional survey". Int J Geriatr Psychiatry. 18 (8): 711–5. doi:10.1002/gps.909. PMID 12891639.
  16. ↑ Bowirrat A, Friedland RP, Korczyn AD (2002). "Vascular dementia among elderly Arabs in Wadi Ara". J. Neurol. Sci. 203-204: 73–6. PMID 12417360.
  17. ↑ Llibre JJ, Guerra MA, Pérez-Cruz H, Bayarre H, Fernández-Ramírez S, González-Rodríguez M, Samper JA (1999). "[Dementia syndrome and risk factors in adults older than 60 years old residing in Habana]". Rev Neurol (in Spanish; Castilian). 29 (10): 908–11. PMID 10637837.
  18. ↑ Herrera E, Caramelli P, Silveira AS, Nitrini R (2002). "Epidemiologic survey of dementia in a community-dwelling Brazilian population". Alzheimer Dis Assoc Disord. 16 (2): 103–8. PMID 12040305.
  19. ↑ Quiroga P, Calvo C, Albala C, Urquidi J, Santos JL, Pérez H, Klaassen G (1999). "Apolipoprotein E polymorphism in elderly Chilean people with Alzheimer's disease". Neuroepidemiology. 18 (1): 48–52. PMID 9831815.
  20. ↑ Rosselli D, Ardila A, Pradilla G, Morillo L, Bautista L, Rey O, Camacho M (2000). "[The Mini-Mental State Examination as a selected diagnostic test for dementia: a Colombian population study. GENECO]". Rev Neurol (in Spanish; Castilian). 30 (5): 428–32. PMID 10775968.
  21. ↑ Pradilla G, Vesga BE, Leon-Sarmiento FE, Bautista LE, Núñez LC, Vesga E, Gamboa NR (2002). "[Neuroepidemiology in the eastern region of Colombia]". Rev Neurol (in Spanish; Castilian). 34 (11): 1035–43. PMID 12134301.
  22. ↑ Brookmeyer R, Gray S, Kawas C (1998). "Projections of Alzheimer's disease in the United States and the public health impact of delaying disease onset". Am J Public Health. 88 (9): 1337–42. PMC 1509089. PMID 9736873. Unknown parameter |month= ignored (help)
  23. ↑ Bermejo-Pareja F, Benito-León J, Vega S, Medrano MJ, Román GC (2008). "Incidence and subtypes of dementia in three elderly populations of central Spain". Journal of the Neurological Sciences. 264 (1–2): 63–72. doi:10.1016/j.jns.2007.07.021. PMID 17727890. Retrieved 2012-08-15. Unknown parameter |month= ignored (help)

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