Patterns of Antimicrobial Resistance in the Causative Organisms of Spontaneous Bacterial Peritonitis: A Single Centre, Six-Year Experience of 1981 Samples

Table 2

Patterns of antibiotic resistance among isolated microorganisms.

	All positive culture	E. coli	Staphylococcus aureus	Enterococcus	Acinetobacter	Staphylococcus  epidermidis	Klebsiella	Citrobacter	Enterobacter	Pseudomonas
Resistance rate %
Amikacin	17.9%	7.2%	42.9%	50.0%	52.6%	0%	12.5%	22.2%	14.3%	—
Amoxicillin	64.7%	—	—	25%	—	—	—	—	—	—
Ampicillin	45.4%	37.5%	25%	46.7%	—	50%	—	—	—	—
Ampicillin sulbactam	66.6%	50%	—	50%	25%	—	44.4%	27.3%	62.5%	100%
Cefazolin	61.9%	—	33.3%	—	—	16.7%	—	0%	—	—
Cefepime	63.6%	70%	—	—	100%	—	60%		0%	60%
Cefixime	71.3%	67.4%	100%	—	91.7%	—	40%	33.3%	40%	100%
Cefoxitin		—	—	—	100%	20%	—	—	—	—
Cefotaxim	77.3%	72.7%	100%	—	100%	33.3%	66.7%	—	—	100%
Cefoxitin	71.3%	—	45.5%	—	—	100%	—	—	—	—
Ceftazidime	77.3%	75.8%	—	100%	84.6%	—	77.8%	50%	0%	87.5%
Ceftizoxime	70%	8.3%	—	—	4%	—	50%	0%	—	100%
Ceftriaxon	58.2%	56.6%	—	100%	77.8%	—	45.5%	41.7%	66.7%	80%
Chloramphenicol	6.2%	—	33.3%	0%	—	—	—	—	—	—
Ciprofloxacin	45.4%	54.2%	26.3%	42.9%	95%	—	28.6%	44.4%	0%	0%
Clindamycin	50%	0%	44%	100%	100%	—	—	50%	—	—
Cloxacillin	77.8%	—	33.3%	—	100%	—	—	—	—	—
Coamoxiclav	71.3%	—	—	—	100%	—	—	—	—	—
Cotrimoxazol	61.9%	65.9%	28%	61.1%	91.3%	42.9%	77.8%	50%	12.5%	92.3%
Erythromycin	72.7%	—	39.1%	28.6%	—	31.6%	—	0%	—	—
Gentamycin	4.1%	15.6%	54.5%	25%	50%	16.7%	0%	—	33.3%	25%
Imipenem	5.2%	1%	0%	0%	17.4%	0%	0%	0%	0%	13.3%
Ofloxacin	42.9%	—	—	50%	—	—	—	—	—	—
Oxacillin	44%	—	40%	83.3%	—	26.7%	—	50%	—	—
Piperacillin	23.2%	74.4%	0%	—	77.8%	55.6%	—	—	0%	66.7%
Piperacillin-tazobactam	4%	3.7%	0%	—	0%	—	12.5%	0%	0%	0%
Rifampicin	32.4%	—	—	50%	—	14.3%	—	—	—	—
Teicoplanin	63.3%	—	—	50%	—	—	—	—	—	—
Ticarcillin	55.7%	67.5%	—	—	88.9%	—	28.6%	40%	14.3%	20%
Vancomycin	6.7%	—	—	25%	—	0%		0%	0%	—