The differential diagnosis for febrile patients with a rash is extensive. Diseases that present with fever and rash are usually classified according to the morphology of the primary lesion.
Anxiety Disorder Statistics. Anxiety Disorders affect 18.1 percent of adults in the United States (approximately 40 million adults between the ages of 18 to 54).
In two separate studies of anxiety disorders and major depressive disorder (that is, clinical depression) study authors found that surveys of clinical anxiety and depression have been conducted across 91 countries, involving more than 480,000 people.