Comparison of Disk Diffusion and Etest Methods to Determine the Susceptibility of Staphylococcus aureus Circulating in Riyadh, Saudi Arabia to Fusidic Acid

Table 1

Comparison of MIC interpretive criteria for S. aureus and fusidic acid.

MIC μg/mL	≤0.5 (𝑛=70)	1.0 (𝑛=3)	2.0 (𝑛=4)	≥4.0 (𝑛=45)	Totals
Breakpoints proposed by Jones et al. [13]	Susceptible		Intermediate	Resistant
Breakpoints proposed by Skov et al. [10]	Susceptible	Intermediate	Resistant
MSSA isolates	62	2	0	12	76
MRSA isolates	8	1	4	33	46
Totals	70	3	4	45	122