Treatment procedures and associated medical costs of methicillin-resistant Staphylococcus aureus infection in Japan: A retrospective analysis using a database of Japanese employment-based health insurance.

Although the proportion of patients with methicillin-resistant S. aureus is very small in the employment-based health insurance database, methicillin-resistant S. aureus bacteremia is the most common methicillin-resistant S. aureus infection in the working-age population and requires the highest medical cost. Methicillin-resistant S. aureus pneumonia is more common in the elderly and is a cause of high mortality.