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Table 3 Staphylococcus aureus (118 strains): results of GDM versus BMD as the reference method

From: Gradient diffusion antibiogram used directly on bronchial aspirates for a rapid diagnosis of ventilator-associated pneumonia

Antibiotic/methodRangeMIC 50MIC 90Susceptible (n,%)Intermediate (n,%)Resistant (n,%)KappaMinor errorMajor and very mayor error
Ceftobiprole GDM0.008–20.51.5118 (100)0 (0)0 (0)100
Ceftobiprole BMD0.03–20.52118 (100)0 (0)0 (0)
Tedizolid GDM0.023–0.750.190.5115 (97.5)3 (2.5)0 (0)97.53 (2.5)0 (0)
Tedizolid BMD0.0625–0.50.250.5118 (100)0 (0)0 (0)
  1. Range, MIC 50 and MIC 90 are given in mg/mL. GDM = gradient diffusion method, BMD = broth microdilution method, MIC = minimum inhibitory concentration