Antimicrobial susceptibility testing of Enterobacteriaceae: determination of disk content and Kirby-Bauer breakpoint for ceftazidime/avibactam

Table 1 Resistant type of strains in this study

Resistant type	ESBL(−) ^a			ESBL(+) ^a			CRE ^a
stains	KP	ECO	EC	KP	ECO	EC	KP	ECO	EC
No. tested	18	27	9	37	37	30	133	58	37
%	4.7	7.0	2.3	9.6	9.6	7.8	34.5	15.0	9.6

KP: Klebsiella pneumonia. ECO: Escherichia coli. EC: Enterobacter cloacae. ESBL: extended-spectrum beta-lactamase. CRE: Carbapenem-resistant Enterobacteriaceae
^aCriteria as published by the Clinical and Laboratory Standards Institute (Clinical & Laboratory Standards Institute, M100, 28th Edition, 2018)

ISSN: 1471-2180