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Comparison of three reference methods for testing susceptibility of staphylococci to trimethoprim-sulfamethoxazole

R Griffith¹, D Creely, P Revell

¹bioMérieux, Inc., 595 Anglum Road, Hazelwood, MO 63042, USA. rita.griffith@na.biomerieux.com

Journal of Clinical Microbiology

|September 11, 2009

Abstract:

Three reference MIC methods approved by the Clinical and Laboratory Standards Institute were compared by testing 567 staphylococci against trimethoprim-sulfamethoxazole. Category agreement ranged from 94.9% (broth macrodilution versus broth microdilution) to 98.6% (agar dilution versus broth microdilution). Twenty-seven strains resistant by broth macrodilution were susceptible by broth microdilution.

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