Eating disorder not otherwise specified characterized by either of the other established disorders. People with EDNOS have similar symptoms and behaviors to those with anorexia and bulimia, and can face the same dangerous risks. EDNOS is the most prevalent eating disorder; about 60% of adults treated for eating disorders are diagnosed with EDNOS. EDNOS occurs in both sexes. Rather than providing specific diagnostic criteria for EDNOS, the fourth revision of the "Diagnostic and Statistical Manual of Mental Disorders" (DSM-IV) listed six non-exhaustive example presentations, including individuals who: Despite its subclinical status in DSM-IV, available data suggest that EDNOS is no less severe than the officially
Other specified feeding or eating disorder can be considered eating disorders include atypical AN, BN (of low frequency and/or limited duration), BED (of low frequency and/or limited duration), purging disorder, and NES. Of note, OSFED is not limited to these five examples, and can include individuals with heterogeneous eating disorder presentations (i.e., OSFED-other). Another term, Unspecified Feeding or Eating Disorder (UFED), is used to describe individuals for whom full diagnostic criteria are not met but the reason remains unspecified or the clinician does not have adequate information to make a more definitive diagnosis. Few studies to date have examined OSFED prevalence. The largest community study is