Table 6.

Antibiotic resistance patterns of all Achromobacter spp. and Sphingobacterium spp. isolates from water and surface samples.

Class of Antibiotics	Antibiotic
Penicillins	ampicillin	r	r	ND	r	r	r	r	r	r	r	r	r	s
	piperacillin	s	s	s	s	s	s	r	s	s	r	r	r	s
	piperacillin-tazobactam	s	s	s	s	s	r	s	s	s	s	r	s	s
Penicillins/Beta-lactamase inhibitor	amoxicillin-clavulanic acid	r	r	r	r	r	r	r	r	r	r	r	r	r
Cephalosporins (2nd)	cefuroxime	r	r	r	r	r	r	r	r	r	r	r	r	r
Cephalosporins (3rd)	cefotaxime	r	r	r	r	r	r	r	r	r	r	r	r	r
Cephalosporins (3rd)	ceftazidime	s	s	s	s	r	r	r	s	s	r	r	r	s
Cephalosporins (4th)	cefepime	s	s	s	r	r	r	r	s	s	s	r	s	s
Carbapenems	imipenem	ND	ND	ND	ND	ND	ND	ND	r	s	s	s	r	s
	ertapenem	ND	ND	ND	ND	ND	ND	ND	r	r	r	r	r	r
Aminoglycosides	gentamicin	s	s	r	r	r	r	r	s	r	r	r	r	s
	tobramycin	s	s	r	r	r	r	r	r	r	r	r	r	r
	amikacin	s	s	s	r	r	r	r	s	r	r	r	r	s
Fluoroquinolones	ciprofloxacin	s	r	r	r	r	r	r	s	s	s	s	s	s
	levofloxacin	s	r	s	r	r	r	s	s	s	s	s	s	s
Sulfonamide antibiotic	trimethoprim-sulfam.	s	s	s	s	s	s	s	s	s	s	s	s	s
Fosfomycin	fosfomycin	r	r	r	r	r	r	r	r	r	r	r	r	r
Glycylcycline	tigecycline	ND	ND	ND	r	r	r	ND	ND	ND	r	ND	r	ND
Number of Isolates		1	2	1	10	3	1	1	1	4	1	3	2	1
Species		Achromobacter spp. (19)							Sphingobacterium spp. (11)

Susceptibility (s) and resistance (r) was automatically determined with the BD Phoenix™ System; ND = Not determined.