Statistics about Dementia


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About statistics: This page presents a variety of statistics about Dementia. The term 'prevalence' of Dementia usually refers to the estimated population of people who are managing Dementia at any given time. The term 'incidence' of Dementia refers to the annual diagnosis rate, or the number of new cases of Dementia diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

Prevalence and incidence statistics for Dementia: (see also prevalence and incidence page for Dementia)
  Incidence (annual) of Dementia: 6,175 annual cases in Victora 1996 (DHS-VIC)
  Incidence Rate: approx 1 in 738 or 0.14% or 368,320 people in USA [about data]
Death and mortality statistics for Dementia:
  Death statistics for Dementia: The following are statistics from various sources about deaths and Dementia:
  • 1,461 men died from dementia and related disorders in Australia 2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • 3,024 women died from dementia and related disorders in Australia 2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • 2.1% of all male deaths was due to dementia and related disorders in Australia 2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)
  • 4.7% of all female deaths was due to dementia and related disorders in Australia 2002 (AIHW National Morbidity Database, Australia’s Health 2004, AIHW)

Society statistics for Dementia
  Hospitalization statistics for Dementia: The following are statistics from various sources about hospitalizations and Dementia:
  • Dementia accounted for 248,183 patient days in hospitals in Australia 2001-02 (AIHW Hospital Morbidity Database 2001-02, Australia’s Health 2004, AIHW)
  • Dementia resulted in 6,586 hospitalisations in Australia 2001-02 (AIHW Hospital Morbidity Database 2001-02, Australia’s Health 2004, AIHW)
  • 0.22% (28,116) of hospital episodes were for dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 82% of hospital consultations for dementia required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 41% of hospital episodes for dementia were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 59% of hospital episodes for dementia were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 55% of hospital admissions for dementia required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1.4 days was the mean length of stay in hospitals for dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 26 days was the median length of stay in hospitals for dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 80 was the mean age of patients hospitalised for dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2% of hospitalisations for dementia occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 79% of hospitalisations for dementia occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospitalisations for dementia were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2.11% (1,105,527) of hospital bed days were for dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.02% (2,737) of hospital consultant episodes were for dementia in Alzheimer’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 96% of hospital consultant episodes for dementia in Alzheimer’s disease required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 37% of hospital consultant episodes for dementia in Alzheimer’s disease were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 63% of hospital consultant episodes for dementia in Alzheimer’s disease were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 45% of hospital consultant episodes for dementia in Alzheimer’s disease required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 112.2 days was the mean length of stay in hospitals for dementia in Alzheimer’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 38 days was the median length of stay in hospitals for dementia in Alzheimer’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 79 was the mean age of patients hospitalised for dementia in Alzheimer’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3% of hospital consultant episodes for dementia in Alzheimer’s disease occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 75% of hospital consultant episodes for dementia in Alzheimer’s disease occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for dementia in Alzheimer’s disease were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.32% (165,652) of hospital bed days were for dementia in Alzheimer’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.075% (9,551) of hospital consultant episodes were for vascular dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 79% of hospital consultant episodes for vascular dementia required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 49% of hospital consultant episodes for vascular dementia were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 51% of hospital consultant episodes for vascular dementia were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 57% of hospital consultant episodes for vascular dementia required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 66.3 days was the mean length of stay in hospitals for vascular dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 31 days was the median length of stay in hospitals for vascular dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 80 was the mean age of patients hospitalised for vascular dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1% of hospital consultant episodes for vascular dementia occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 79% of hospital consultant episodes for vascular dementia occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for vascular dementia were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.75% (390,733) of hospital bed days were for vascular dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.12% (15,507) of hospital consultant episodes were for unspecified dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 81% of hospital consultant episodes for unspecified dementia required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 36% of hospital consultant episodes for unspecified dementia were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 64% of hospital consultant episodes for unspecified dementia were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 56% of hospital consultant episodes for unspecified dementia required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 65.9 days was the mean length of stay in hospitals for unspecified dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 21 days was the median length of stay in hospitals for unspecified dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 81 was the mean age of patients hospitalised for unspecified dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1% of hospital consultant episodes for unspecified dementia occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 81% of hospital consultant episodes for unspecified dementia occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for unspecified dementia were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1.02% (533,020) of hospital bed days were for unspecified dementia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • Hospitalization statistics in Australia in psychiatric hospitals:
    • 223 hospital episodes in public psychiatric hospitals were for dementia in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 0.9% of hospitalisations in public psychiatric hospitals for dementia were single day episodes in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 89% of hospitalisations in public psychiatric hospitals for dementia were by public patients in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • Hospitalisations for dementia at public psychiatric hospitals occurred in 0.1 people per 10,000 population in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 198.7 days was the mean length of stay for dementia in public psychiatric hospitals in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • Excluding same day episodes, 152.2 days was the mean length of stay in public psychiatric hospitals for dementia in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
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Last revision: July 1, 2003

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