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

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

Antibiotic/method	Range	MIC 50	MIC 90	Susceptible (n,%)	Intermediate (n,%)	Kappa	Minor error	Major and very mayor error
Ceftobiprole GDM	0.008–2	0.5	1.5	118 (100)	0 (0)	100	–	–
Ceftobiprole BMD	0.03–2	0.5	2	118 (100)	0 (0)	–	–	–
Tedizolid GDM	0.023–0.75	0.19	0.5	115 (97.5)	3 (2.5)	97.5	3 (2.5)	0 (0)
Tedizolid BMD	0.0625–0.5	0.25	0.5	118 (100)	0 (0)	–	–	–

Range, MIC 50 and MIC 90 are given in mg/mL. GDM = gradient diffusion method, BMD = broth microdilution method, MIC = minimum inhibitory concentration

ISSN: 2047-2994