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[IP] CDC information on prevalence and incidence of Type 1 autoimmune diabetes



The CDC-published information on the prevalence and incidence of Type 1
diabetes (which both the ADA and JDRF cite for statistics on prevalence of
Type 1) comes from
http://diabetes.niddk.nih.gov/dm/pubs/america/pdf/chapter3.pdf.  This is old
stuff (1995), but is still what the CDC/ADA/JDRF use, apparently because it
has not been updated.  This CDC document says "the incidence of IDDM is about
30,000 new cases each year.....the number of children who develop IDDM each
year is about 13,000."  That means that 17,000 (57%, or the majority) of new
cases of IDDM are adults.  That CDC document also says that there is "an
unknown number of adults identified as NIDDM who have slowly progressive
IDDM."  In other words, this document on the prevalence and incidence of Type
1 diabetes in America does not count those who are now designated as LADA
(latent autoimmune diabetes in adults, or Type 1 autoimmune diabetes in
adults).  According to John Walsh, author of "Using Insulin," those with LADA
constitute 15% of the total diabetes population.  LADA patients are frequently
misdiagnosed as having Type 2 diabetes, however if antibody testing is
performed they are antibody positive and have immune-mediated beta cell
destruction.  So if the majority of people correctly diagnosed with Type 1
diabetes are adults (57%), and 15% of the total diabetes population have LADA,
then the vast majority of people who acquire Type 1 autoimmune diabetes each
year are adults.  That's why I say it is a myth that Type 1 diabetes is a
disease of childhood.

Melitta

Date: Fri, 14 Jan 2005 17:26:50 -0500
From: "John Kinsley" <email @ redacted>
Subject: [IP] prevalence of Type 1 diabetes in adults and children


Can you be more specific where the CDC publishes the information you cited?
I cannot locate the info on line.
Melitta Rorty:
>>>  The CDCs numbers indicate that of the 30,000 people newly diagnosed
with Type 1 diabetes each year, 17,000 (56%) are adults, and those numbers
do not include newly diagnosed people with LADA.

That Type 1 autoimmune diabetes is a disease that predominantly strikes
children is just a myth. The vast majority of people who acquire Type 1
autoimmune diabetes are adults.  <<<
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