Table 5. Antibiotics: resistance pattern for gram-negative organisms.

Antibiotics
	Citrobacter diversus (n=7)	E. coli (n=81)	Enterobacter (n=1)	Klebsiella (n=18)	Nonfermenting gram-negative bacilli (n=3)	Proteus mirabilus (n=1)	Pseudomonas (n=10)	Serratia marscesans (n=2)
Amikacin	1(14.3%)	6(7.4%)	1(100%)	4(22.2%)	0(0%)	0(0%)	2(20%)	0(0%)
Gentamicin	5(71.4%)	24(29.6%)	1(100%)	4(22.2%)	0(0%)	0(0%)	3(30%)	0(0%)
Amoxicillin-clavulanic acid	6(85.7%)	58(71.6%)	1(100%)	13(72.2%)	2(66.7%)	1(100%)	NA	1(50%)
Aztreonam	4(57.1%)	63(77.8%)	1(100%)	11(61.1%)	0(0%)	1(100%)	1(10%)	0(0%)
Cefotaxime	5(71.4%)	63(77.8%)	1(100%)	11(61.1%)	1(33.3%)	1(100%)	NA	0(0%)
Ceftazidime	4(57.1%)	63(77.8%)	1(100%)	11(61.1%)	0(0%)	1(100%)	1(10%)	0(0%)
Ciprofloxacin	3(42.9%)	69(85.2%)	0(0%)	11(61.1%)	0(0%)	1(100%)	4(40%)	1(50%)
Norfloxacin	2(28.6%)	70(86.4%)	0(0%)	9(50%)	0(0%)	1(100%)	2(20%)	0(0%)
Levofloxacin	1(14.3%)	63(77.8%)	0(0%)	9(50%)	0(0%)	1(100%)	1(10%)	0(0%)
Nitrofurantoin	5(71.4%)	16(19.8%)	0(0%)	13(72.2%)	1(33.3%)	0(0%)	NA	2(100%)
Ertapenem	1(14.3%)	11(13.6%)	0(0%)	4(22.2%)	0(0%)	0(0%)	NA	0(0%)
Imipenem	0(0%)	4(4.9%)	0(0%)	3(16.7%)	0(0%)	0(0%)	0(0%)	0(0%)
Meropenem	0(0%)	2(2.5%)	0(0%)	4(22.2%)	0(0%)	0(0%)	0(0%)	0(0%)
Cefoperazone -sulbactam	0(0%)	12(14.8%)	0(0%)	4(22.2%)	0(0%)	0(0%)	1(10%)	0(0%)
Piperacillin-tazobactam	0(0%)	13(16%)	0(0%)	4(22.2%)	0(0%)	0(0%)	0(0%)	0(0%)
Polymyxin-B	0(0%)	1(1.2%)	0(0%)	0(0%)	0(0%)	0(0%)	0(0%)	0(0%)
Colistin	0(0%)	1(1.2%)	0(0%)	0(0%)	0(0%)	0(0%)	1(10%)	0(0%)
Tigecycline	0(0%)	1(1.2%)	0(0%)	0(0%)	0(0%)	0(0%)	NA	0(0%)
Fosfomycin	0(0%)	0(0%)	0(0%)	0(0%)	1(33.3%)	0(0%)	NA	0(0%)
Doxycycline	3(42.9%)	30(37%)	0(0%)	4(22.2%)	2(66.7%)	0(0%)	NA	0(0%)
Cotrimoxazole	5(71.4%)	43(53.1%)	1(100%)	10(55.6%)	1(33.3%)	1(100%)	NA	0(0%)