Widespread pyocyanin over-production among isolates of a cystic fibrosis epidemic strain

BMC Microbiology

Table 2 Comparison between antimicrobial susceptibility and OP phenotype of LES isolates

Antimicrobial agent	% resistant LES isolates for different OP phenotypes
	OP (n = 11)	Negative (n = 17)	N or I (n = 5)
CAZ R	73	24	20
ATM R	64	35	0
MER R	91	65	20
TOB R	27	24	20
TOB D	45	12	40
CIP R	0	6	20
CIP D	27	12	20

CAZ, ceftazidime; ATM, aztreonam; MER, meropenem; TOB, tobramycin; CIP, ciprofloxacin; R, resistant; D, intermediate antimicrobial susceptibility; N, normal; I, intermediate OP phenotype

ISSN: 1471-2180