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Table 2 FICs of 6 polymyxin derivatives combined with 5 antibiotics against P. aeruginosa PA14

From: A novel antibiotic combination of linezolid and polymyxin B octapeptide PBOP against clinical Pseudomonas aeruginosa strains

Antimicrobial agents

FIC*

Erythromycin

Lincomycin

Linezolid

Nisin

Vancomycin

PBHP

0.281

0.188

0.141

0.375

0.141

PBOP

0.156

0.094

0.078

0.313

0.156

PBNP

0.188

0.156

0.156

0.250

0.250

PEHP

0.258

0.250

0.141

0.266

0.156

PEOP

0.313

0.141

0.188

0.313

0.125

PENP

0.281

0.125

0.281

0.375

0.188

  1. *Combination of polymyxin derivatives and antibiotics giving the lowest FIC Index value