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Multicentre interlaboratory analysis of routine susceptibility testing with a challenge panel of resistant strains
Tijdschriftbijdrage - Tijdschriftartikel
OBJECTIVES: In order to elaborate a new national challenge panel of resistant Gram-negative bacilli and Gram-positive cocci strains for the validation of routine antimicrobial susceptibility testing (AST) methods, an interlaboratory evaluation was organised. METHODS: The results of 12 well-characterised multidrug-resistant strains tested by nine laboratories using local disk diffusion (DD) and automated AST (AUST) methods were compared with the reference broth microdilution method. RESULTS: Overall categorical agreement ranged from 70% to 100% both for DD and AUST and was >90% for all but one strain for all antibiotics. CONCLUSION: Our multicentre AST study showed good reproducibility and the panel can be used as national resistant reference strains for routine AST validation.
Tijdschrift: Journal of Global Antimicrobial Resistance
Pagina's: 125 - 129