Thursday, February 15, 2007

Rate of development of anorexia and bulimia

Anorexia and bulimia usually occur in youth at the age of 14-18. Though sometimes women and men of older age as well as children who have not reached sexual maturity also may fall victim to them. The occurrence of anorexia and bulimia is usually connected with some stressful and frustrating event, such as a divorce of parents and drastic changes within the family or in school.

Though symptoms anorexia nervosa are rather specific and easily determined, the rate and outcome of it vary greatly. Recurrences and chronic development are quite typical. Here are the statistics that characterize the outcome of anorexia nervosa on average:

Good - 52%
Satisfactory - 29%
Bad - 19%

The unstable pattern (returning of normal weight followed by the recurrence of the disorder) is the most prevalent. When the patient loses weight significantly and starts to suffer from heavy dystrophy, he is immediately hospitalized. A large number of patients (from 6 to 10%) die from medical complications or commit suicide.

The unstable pattern is also typical of patients with bulimia nervosa when periods of remission are interchanged with periods of binges and purges, or the disorder can take the chronic and more homogeneous form.

The recent study of patients suffering from anorexia and bulimia has showed that bulimics have more chances to recover than anorexics - from 50 up to 75%. It's also important to note bulimia nervosa is treated more effectively and its cyclic character is often easily disturbed.

Thus, anorexia and bulimia have a similar rate and character of development but presuppose different approaches to their treatment. I will write about it next time.

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