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New classification is based on pathogenesis, not insulin dependence
| The first 150 words of the full text of this article appear below. |
At its annual meeting in June 1997 the American Diabetes Association announced the conclusions of an expert committee, which recommended changes to the way that diabetes is classified and to the choice of diagnostic method and cut off value that should be used to define the disease.1 A provisional report from a World Health Organisation consultation group, with some overlap in members with the American committee, has recently been published.2 These recommendations could have important epidemiological implications, but they will also affect individual patients.
The previous classification of diabetes was based on the extent
to which a patient was dependent on insulin.3 Although
this was a logical distinction that separated the two main forms of
diabetes, it gave rise to clumsy and sometimes confusing subcategories.
Both the reports of the American Diabetes Association and the WHO
recommend altering the classification to define four main subtypes of
diabetes. Type 1 includes immune mediated
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