Basic Summary for Dementia


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Main name of condition: Dementia
Other names or spellings: dementia syndrome


What is Dementia?
  Brief description of Dementia: Various mental impairment conditions.
  Parent types of Dementia: Brain conditions, Mental illness
  Organs Affected by Dementia: brain, mental
  Types of Dementia: Alzheimer's Disease, Multi-Infarct Dementia, Dementia With Lewy Bodies, Binswanger's Disease, Pick's Disease
How many people get Dementia?
  Incidence (annual) of Dementia: 6,175 annual cases in Victora 1996 (DHS-VIC)
  Incidence Rate of Dementia: approx 1 in 738 or 0.14% or 368,320 people in USA [about data]
How serious is Dementia?
  Complications of Dementia: see complications of Dementia
What causes Dementia?
  Causes of Dementia: see causes of Dementia
  Risk factors for Dementia: see risk factors for Dementia
What are the symptoms of Dementia?
  Symptoms of Dementia: see symptoms of Dementia
How is it treated?
  Treatments for Dementia: see treatments for Dementia
  Prevention of Dementia: see prevention of Dementia
Society issues 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)

Last revision: July 1, 2003

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