Table 4.

Shows the susceptibility pattern of gram negative aerobic bacterial isolates to various antibiotics

Organisms (no.)	Antibiotics (% sensitive)
	Ap	Ac	Cf	Cr	Fr	Cz	Pc	Ci	Ct	Ak	Gm	Net	To	Ne
P. aeruginosa (37)	NT	NT	NT	NT	NT	91.2	97.3	83.8	NT	78.4	73	73	83.8	2.7
K. pneumoniae (8)	0	100	87.5	87.5	100	NT	NT	75	100	100	100	100	NT	12.5
P. mirabilis (3)	66.7	100	66.7	66.7	100	NT	NT	100	100	100	100	100	NT	0
E. coli (2)	0	0	0	0	0	NT	NT	0	0	100	50	0	NT	0
Acinetobacter spp. (2)	50	100	50	50	100	NT	NT	100	100	100	100	100	NT	0
P. vulgaris (1)	100	100	100	100	100	NT	NT	100	100	100	100	100	NT	0
E. aerogenes (1)	0	100	100	100	100	NT	NT	100	100	100	100	100	NT	0
Total	23.5	88.2	70.6	70.6	88.2	91.2	97.3	81.5	88.2	85.2	79.6	77.8	83.8	3.7

Ap ampicillin (10 μg), Ac amoxicillin–clavulanic acid (20/10 μg), Cf cefazolin (30 μg), Cr cefuroxime (30 μg), Fr ceftriaxone (30 μg), Cz ceftazidime (30 μg), Pc piperacillin (100 μg), Ci ciprofloxacin (5 μg), Ct trimethoprim-sulfamethoxazole (23.75/1.25 μg), Ak amikacin (30 μg), Gm gentamicin (10 μg), Net netilmicin (30 μg), To tobramycin (10 μg), Ne neomycin (30 μg), NT not tested