Variables associated with 30-day all-cause mortality in univariate analysis in patients with methicillin-resistant Staphylococcus aureus (MRSA) pneumonia.

aHCAP, healthcare-associated pneumonia; HAP, hospital-acquired pneumonia; CAP, community-acquired pneumoniabAppropriate empiric antimicrobial therapy, treatment with vancomycin, linezolid, or clindamycin if the MRSA isolate was susceptible, in the 24-48 hrs prior to the availability of culture results.cVancomycin trough levels, among those treated with vancomycin and for whom vancomycin levels were available.dPFGE, pulsed-field gel electrophoresis (145 isolates available for molecular typing)eVancomycin MIC, minimal inhibitory concentration (µg/mL) as determined by Etest (145 isolates available for susceptibility testing)