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The Prevalence of Dementia

The Prevalence of Dementia. 1991 Baseline Study. CSHA Study Centres. 1000 kms . Prevalence of Dementia Canada 1991-92. Rate per 1,000. Source: Can Med Assoc J 1994;150:899-913. Estimated Numbers of Canadians, 65+, with Dementia, 1991. Source: Can Med Assoc J 1994;150:899-913.

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The Prevalence of Dementia

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  1. The Prevalence of Dementia 1991 Baseline Study

  2. CSHA Study Centres 1000 kms.

  3. Prevalence of DementiaCanada 1991-92 Rate per 1,000 Source: Can Med Assoc J 1994;150:899-913

  4. Estimated Numbers of Canadians, 65+, with Dementia, 1991 Source: Can Med Assoc J 1994;150:899-913

  5. Prevalence of Cognitive Disorderby severity and gender (Canada, 1991) Cognitively Cognitively impaired; Dementia normal not dementia Mild Mod.Severe Male % 72.6 21.3 2.1 2.6 1.4 Female % 77.1 13.5 2.4 3.6 3.5 M + F % 75.2 16.8 2.3 3.1 2.6 Source: Lancet 1997;349:1793

  6. More on the Prevalence of Dementia • Prevalence continues to rise beyond age 85; by 105 years of age almost 85% of people have dementia(Ebly et al., 1994) • Hogan et al. (1996) described physiologic changes as dementia progresses; these are similar for AD and vascular dementia. • About half of those with dementia live in the community and half in institutions (CSHA, 1994) • For almost two-thirds of those with dementia in the community, their dementia has not been formally diagnosed (Sternberg et al., 2000)

  7. Background:Projected Prevalence of Dementia (x 1,000)Canada, 1991 - 2031 All Dementias AD x 3 x 2 Vascular Source: CMAJ 1994; 150: 899-913

  8. The Impact of Demographic Changes on Annual Incidence of Dementia in Canada Numbers of cases 2011 2001 1991 Note: this chart assumes constant age-sex prevalence rates for dementia, and shows the impact of the growth in the elderly population on numbers of people with dementia

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