According to strict diagnostic criteria,[3] about 0.3% of people in westernised countries, with about 0.5% to 1% of college-aged women, are affected.[4] One national comorbidity survey of several thousands of US households found lifetime prevalence estimates of AN to be 0.9% for females and 0.3% for males.[5] It is estimated that 3 in 10 patients are male, but many males may not present for treatment; thus, about 90% of patients diagnosed are female.[6]

BMJ Best Practice is an evidence-based point of care tool for healthcare practitioners.

To continue reading and access all of BMJ Best Practice's pages you'll need to log in or start a free trial.

You can access through your institution if your hospital, university, trust or other institution provides access to BMJ Best Practice through either OpenAthens or Shibboleth.

Use of this content is subject to our disclaimer