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 system, the prevalence still remains high. For example, in a population of 215 young patients presenting for ED treatment, the diagnosis of EDNOS to OSFED decreased from 62.3% to 32.6%. In another study of 240 females in the U.S. with a lifetime history of an eating disorder, the prevalence changed from 67.9% EDNOS to 53.3% OSFED. Although the prevalence appears to reduce when using the categorizations of EDNOS vs. OSFED, a high proportion of cases still receive diagnoses of atypical eating disorders, which creates difficulties in communication, treatment planning, and basic research. Few studies guide the treatment of individuals with