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Interpretive criteria for testing susceptibility of staphylococci to mupirocin
J E Finlay1, L A Miller, J A Poupard
1SmithKline Beecham Pharmaceuticals, Collegeville, Pennsylvania 19426, USA.
Antimicrobial Agents and Chemotherapy
|May 1, 1997
Abstract:
To determine appropriate mupirocin susceptibility testing interpretive criteria, 177 staphylococci were tested by agar dilution, disk diffusion, and E test. E test was found to be a reliable method for determining susceptibility of staphylococci to mupirocin. The agar dilution and disk diffusion results were plotted on a scattergram, and error rates were calculated. No errors were found with susceptibility breakpoints of > or = 4 microg/ml (MIC) and > or = 14 mm (zone diameter).