Table 2.

Susceptibility of Pseudomonas aeruginosa Isolates According to Antibiotic Use at Time of Bacteremia

Antibiotic	Antibiotic		P Value
	FQ (n = 26)	Non-FQ or None (n = 29)
	Susceptible isolates, n (%)	Susceptible isolates, n (%)
Ciprofloxacin	0	21 (72.4)	<.0001
Meropenem	4 (15.4)	21 (72.4)	<.0001
Cefepime	21 (80.8)	26 (89.6)	.4
Ceftazidime	19 (73.1)	25 (86.2)	.3
Gentamicin	21 (80.8)	28 (96.5)	.1
P/T	19 (73.1)	25 (86.2)	.3
Tobramycin	25 (96.1)	29 (100)	.5

Abbreviations: FQ, fluoroquinolone; P/T, piperacillin-tazobactam.