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).
Anxiety disorders are the most prevalent mental illnesses. In any given year, about 10% of adults aged 65 and older have a diagnosable anxiety disorder.1 Over their lifetimes, about 15% of those who survive past the age of 65 will have had an anxiety disorder.2.