Susceptibility (%)
	Enterobacter spp. N = 162	Citrobacter spp. N = 86	Morganella morganii N = 43	Serratia spp. N = 20
	N = 162	N = 86	N = 43	N = 20
Ertapenem	96	99	100	100
Imipenem	98	99	100	100
Cefoxitin	5	20	70	35
Ceftriaxone	59	64	95	90
Ceftazidime	57	61	86	100
Cefotaxime	61	69	88	90
Cefepime	91	98	100	100
Ampicillin-Sulbactam	20	48	9	10
Piperacillin-Tazobactam	79	84	100	90
Amikacin	98	99	100	100
Ciprofloxacin	90	88	88	95
Levofloxacin	93	94	93	95