Characteristics and outcomes of the included studies

a: Study refers to more than one countries.

MRSA: Methicillin-resistant S. aureus; PVL: Panton Valentine Leukocidin; MC: Multicenter; NR: not reported; NE: non evaluable; CA: community-acquired; HA: hospital-acquired; SSTIs: skin and soft tissue infections; UTI: urinary tract infection; CSF: cerebrospinal fluid; ENT; ear, nose and throat.