These analyses are available from the authors; analyses of single disorders are available elsewhere.8 Even after excluding conduct and substance use disorders, which are common among delinquent youth, significantly more females (33.6 %) than males (24.2 %) had 2 or more disorders (t1813 = 2.81, P =.005). (jamanetwork.com)
It is misleading to think of autism as a single disorder. (discovermagazine.com)
One conclusion has become increasingly clear, however: the varying combinations of behaviors can not be grouped into a picture of a single disorder. (scientificamerican.com)