Table V.

Antibiotic resistance of Gram-negative and -positive bacterial strains.

A, Antibiotic resistance of Gram-negative bacterial strains
	Escherichia coli (n=26)		Klebsiella pneumoniae (n=12)
Antibiotic, n (%)	ESBL-positive (n=16)	ESBL-negative (n=10)	ESBL-positive (n=16)
Ampicillin	16 (100.00)	10 (100.00)	12 (75.00)
Ticarcillin/clavulanic acid	3 (18.75)	0 (0.00)	1 (6.25)
Amikacin	0 (0.00)	0 (0.00)	1 (6.25)
Aztreonam	7 (43.75)	0 (0.00)	2 (12.50)
Chloromycetin	8 (50.00)	0 (0.00)	1 (6.25)
Cefazidime	3 (18.75)	0 (0.00)	2 (12.50)
Ciprofloxacin	13 (81.25)	2 (20.00)	2 (12.50)
Cefotaxime	11 (68.75)	0 (0.00)	2 (12.50)
Cephazolin	15 (93.75)	1 (10.00)	2 (12.50)
Cefepime	6 (37.50)	0 (0.00)	2 (12.50)
Gentamicin	7 (43.75)	0 (0.00)	1 (6.25)
Imipenem	0 (0.00)	0 (0.00)	1 (6.25)
Levofloxacin	13 (81.25)	2 (20.00)	2 (12.50)
Meropenem	0 (0.00)	0 (0.00)	1 (6.25)
Piperacillin	16 (100.00)	0 (0.00)	3 (18.75)
Ampicillin/sulbactam	5 (31.25)	0 (0.00)	2 (12.50)
SMZ	12 (75.00)	0 (0.00)	3 (18.75)
Acheomycin	14 (87.50)	1 (10.00)	3 (18.75)
Piperacillin/tazobactam	2 (12.50)	0 (0.00)	1 (6.25)
B, Antibiotic resistance of Gram-positive bacterial strains
Antibiotic, n (%)	Staphylococcus aureus (n=8)	Coagulase-negative Staphylococcus (n=20)
Ampicillin	8 (100.00)	20 (100.00)
Ticarcillin/clavulanic acid	1 (12.50)	18 (90.00)
Amikacin	0 (0.00)	0 (0.00)
Clindamycin	1 (12.50)	6 (30.00)
Ciprofloxacin	0 (0.00)	10 (50.00)
Erythromycin	3 (37.50)	18 (90.00)
Macrodantin	0 (0.00)	19 (95.00)
Cefoxitin	1 (12.50)	20 (100.00)
Gentamicin	0 (0.00)	9 (45.00)
Linezolid	0 (0.00)	1 (5.00)
Tobramycin	1 (12.50)	9 (45.00)
Oxacillin	1 (12.50)	18 (90.00)
Penicillin	6 (75.00)	20 (100.00)
Rifampicin	0 (0.00)	16 (80.00)
SMZ	1 (12.50)	14 (70.00)
Quinupristin/dalfopristin	0 (0.00)	0 (0.00)
Tetracycline	0 (0.00)	6 (30.00)
Teicoplanin	0 (0.00)	0 (0.00)
Vancomycin	0 (0.00)	0 (0.00)

SMZ, sulfamethoxazole; ESBL, extended spectrum beta-lactamases.