Staphylococcus aureus is a leading cause of community-acquired and healthcare-associated bacteremia. The annual incidence of S. aureus bacteremia in the United States is 4 to 38 per 100,000 person-years . The 30-day all-cause mortality of S. aureus bacteremia is 20 percent .
The epidemiology of and risk factors for S. aureus bacteremia (SAB) in adults will be reviewed here. The treatment of SAB is discussed separately. (See "Clinical approach to Staphylococcus aureus bacteremia in adults".)
Bacteremia due to S. aureus can be classified into three categories :
●Healthcare associated, hospital onset (ie, nosocomial)
●Healthcare associated, community onset