Question and answer
identify prevalence rates for different types of dementia
Dementia is estimated1 to afflict over 35.5 million people worldwide - this includes nearly 10 million people in Europe, nearly 4.4 million in North America, nearly 7 million in South and Southeast Asia, [ about 5.5 million in China and East Asia and about 3 million in Latin America. The estimated prevalence for over 60s is 4.7% worldwide. Because this is a disorder of age, prevalence is of
course greatly affected by the proportion of people reaching their senior years. Hence the prevalence is higher in the more developed countries: the estimated prevalence in Western Europe and North America is 7.2% and 6.9% respectively, compared to 2.6% in Africa. What kinds of dementia are most common? The prevalence of the various dementia types is a complicated story. Certainly Alzheimer's disease is by far the most common type of dementia, accounting for perhaps 70% of all dementias (although a 2006 study13 suggested that non-Alzheimer dementias were as common as Alzheimer's — however this was based on dementia among military veterans). The second most common dementia is almost certainly vascular dementia, which may account for some 17% of dementias. However, the actual numbers are made uncertain by the fact that these two dementias often occur together. At minimum, around a quarter of Alzheimer's cases have been found, on autopsy, to also have vascular pathology; this proportion reaches higher levels when the samples are not restricted to dementia clinics. One such community-based study2, for example, found 45% of the Alzheimer's cases also showed significant vascular pathology. Another, U.K., study3 found a similar proportion (46%). ]
Expert answered|selymi|Points 7642|
Question
Asked 3/27/2012 9:49:48 AM
0 Answers/Comments
Ask a question
Not a good answer? Get an answer now. (Free)
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
explain why depression, delirium and age related memory impairment may be mistaken for dementia?
Weegy: Dementia has many symptoms, most of them similar to the symptoms of depression, delirium and age related memory impairment. [ Since we can't look at the actual disease, and only the symptoms, it's often difficult to get the diagnosis right the very first time. ] (More)
Question
All Categories|No Subcategories|Expert Answered
Asked 3/26/2012 9:37:39 AM
0 Answers/Comments
16,935,340 questions answered
Popular Conversations
Why do you think some teachers are better loved by students than ...
Weegy: I can totally relate to you because i have teachers who are my favorite and i treat her as my mom. [ Every time ...
7/24/2014 1:37:29 AM| 3 Answers
Find the equation of a line with the given points. (Put your answers ...
Weegy: The equation of a line with the points: (8, 1) (7, 9) is y = -8x + 65 User: Find the equation of a line with ...
7/24/2014 12:01:14 AM| 2 Answers
What had its roots in a computer networking system that the U.S. ...
Weegy: d. the Internet User: Clinton's first major initiative on_______________________ was unsucessful and failed ...
7/24/2014 7:16:31 AM| 2 Answers
Weegy Stuff
S
R
L
1
1
P
C
1
P
1
1
L
P
C
P
C
1
P
C
L
P
C
1
P
C
Points 1972 [Total 20972]| Ratings 1| Comments 1962| Invitations 0|Online
S
L
P
C
P
C
1
L
P
C
L
P
C
P
C
P
C
Points 1880 [Total 17009]| Ratings 0| Comments 1880| Invitations 0|Offline
S
L
P
C
L
P
C
P
C
L
P
C
P
C
Points 1615 [Total 14170]| Ratings 1| Comments 1605| Invitations 0|Offline
S
L
1
Points 1433 [Total 3616]| Ratings 2| Comments 1413| Invitations 0|Offline
S
L
1
1
1
1
L
1
Points 1117 [Total 7294]| Ratings 2| Comments 1097| Invitations 0|Offline
S
1
L
Points 969 [Total 3105]| Ratings 6| Comments 909| Invitations 0|Offline
S
1
L
1
L
P
P
L
Points 884 [Total 10492]| Ratings 0| Comments 884| Invitations 0|Offline
S
1
L
Points 773 [Total 4449]| Ratings 2| Comments 753| Invitations 0|Online
S
P
C
L
P
L
1
Points 714 [Total 5768]| Ratings 4| Comments 674| Invitations 0|Offline
S
Points 263 [Total 411]| Ratings 2| Comments 243| Invitations 0|Offline
Home | Contact | Archive | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.