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Table 1 Antibiotic therapy definitions

From: Application of a methicillin-resistant Staphylococcus aureus risk score for community-onset pneumonia patients and outcomes with initial treatment

MRSA therapy
 • Vancomycin
 • Linezolid
Guideline-Concordant CAP therapy
Ward patients ICU patients
 • Beta-lactama plus (macrolideb or doxycycline) • Beta-lactama plus (macrolideb or doxycycline)
 • Respiratory fluoroquinolonec • Beta-lactama plus respiratory fluoroquinolonec
Pseudomonal therapy
 • Antipseudomonal beta-lactamd plus antipseudomonal fluoroquinolonee
 • Antipseudomonal beta-lactamd plus aminoglycosidef
Atypical therapy
 • Macrolideb
 • Doxycycline
 • Any fluoroquinolone
  1. CAP Community-acquired pneumonia, ICU Intensive care unit
  2. aBeta-lactam includes cefotaxime, ceftriaxone, ampicillin-sulbactam, ertapenum, or aztreonam
  3. bMacrolide includes azithromycin, clarithromycin, or erythromycin
  4. cRespiratory fluoroquinolone includes moxifloxacin, levofloxacin, or gatifloxacin
  5. dAntipseudomonal beta-lactam includes cefepime, ceftazidime, imipenem-cilastatin, meropenem, piperacillin-tazobactam, or ticarcillin-clavulanate, aztreonam
  6. eAntipseudomonal fluoroquinolone includes ciprofloxacin or levofloxacin
  7. fAminoglycoside includes gentamicin, tobramycin, or amikacin