Table 3.

Resistance of Gram-Negative Bacteria to Antibiotic Agents

Antibacterials	Aerobacter cloacae		E. coli		Pseudomonas aeruginosa		Acinetobacter haemolyticus		Aeromonas hydrophila		Amount
	(n = 27)		(n = 16)		(n = 14)		(n = 13)		(n = 13)		(n = 83)
	Numb	R (%)	Numb	R (%)	Numb	R (%)	Numb	R (%)	Numb	R (%)	Overall R (%)
Ampicillin	26	100	15	53.3	1	100	1	100	6	66.7	82
piperacillin	27	40.7	15	53.3	13	7.7	13	61.5	0	0	41
Amoxicillin / clavulanic acid	24	83.3	15	33.3	9	100	9	88.9	12	83.3	75
Ampicillin / sulbactam	8	50	8	50	5	60	8	100	5	60	65
Cefoperazone / sulbactam sodium	9	11.1	4	0	3	33.3	5	20	3	0	12.5
Cefoperazone	11	45.5	8	37.5	9	33.3	7	71.4	6	16.7	41
Ceftazidime	27	22.2	16	37.5	13	30.8	13	69.2	13	30.8	35
Ceftriaxone	16	50	10	60	11	27.3	12	58.3	10	30	46
Cefotaxime	19	31.6	11	54.5	11	36.4	13	69.2	11	45.5	46
Cefepime	18	27.8	11	54.5	9	44.4	12	66.7	6	0	39
Cefoxitin	26	69.2	15	13.3	10	30	7	100	13	38.5	49
Aztreonam	20	80	11	81.8	3	33.3	1	100	11	45.5	70
Imipenem	27	63	15	46.7	11	81.8	7	100	8	62.5	66
Meropenem	15	13.3	7	28.6	3	33.3	5	80	7	28.6	30