Backward root analysis for main risk factor at different stages from the development of methicillin-resistant <i>Staphylococcus aureus</i> bacteremia to mortality and proposed solution for each stage.

Note: MRF, main risk factor; HA-MRSA, hospital-associated methicillin-resistant Staphylococcus aureus, defined as an isolate possessing SCCmec type I, II, or III. Backward root analysis for main risk factor at different stages from the development of methicillin-resistant Staphylococcus aureus bacteremia to mortality and proposed solution for each stage.