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Epidemiology

• Incidence: U.S.
  
  • 800–1500 cases per 100,000 persons annually
  • Affects 4 million adults per year
    • ~20% require hospitalization.
  • Annual cost: $9.7 billion
• Age
  • Incidence highest at extremes of age
• Sex
  • Rate higher among men than among women
• Race
  • More common among African Americans than among whites
• Seasonality
  • More common during the winter months
    

The Harrison's Practice Preview allows you to view 5 FREE complete topics or conduct a search that delivers abstracts for more than 450 medical topics. For full access, please subscribe today!