Bulletin of the National Research Centre

Table 2 Antibacterial activities of fluoroquinolone antibiotics against etiology of bacteremia in HIV-infected patients

From: Fluoroquinolone antibiotics: in vitro antibacterial and time-kill bactericidal evaluation against etiology of bacteremia in human immunodeficiency virus (HIV)-infected patients

Bacterial isolates	Isolates code	Zone of inhibition (mm ± SD)
		Ofloxacin		Levofloxacin		Ciprofloxacin		10%
		2.5 mg/mL	5.0 mg/mL	2.5 mg/mL	5.0 mg/mL	2.5 mg/mL	5.0 mg/mL	DMSO
P. aeruginosa	PA09	15.1 ± 0.1^a	17.5 ± 0.5^a	13.5 ± 0.1^a	16.4 ± 1.0^a	15.7 ± 0.2^a	18.0 ± 1.0^a	NZ
H. influenzae	HI27	11.8 ± 0.2^a	14.3 ± 0.2^b	14.0 ± 0.0^a	16.5 ± 0.0^a	13.3 ± 0.2^a	15.7 ± 0.1^a	NZ
Acinetobacter spp	AS01	NZ	12.5 ± 0.1	11.2 ± 0.3^a	13.8 ± 0.2^a	NZ	11.2 ± 0.0	NZ
K. pneumoniae	KP32	12.8 ± 0.1^a	16.1 ± 0.2^b	12.1 ± 0.1^a	15.7 ± 0.5^b	11.0 ± 0.0^a	14.4 ± 0.2^b	NZ
K. pneumoniae	KP26	12.3 ± 0.2^a	16.8 ± 0.5^b	14.9 ± 0.2^a	19.3 ± 1.3^b	14.2 ± 0.2^a	19.0 ± 1.5^b	NZ
S. typhi	ST07	NZ	9.3 ± 0.1	10.3 ± 0.1^a	13.2 ± 0.1^a	NZ	11.5 ± 0.1	NZ
S. typhi	ST40	NZ	NZ	9.5 ± 0.0^a	11.2 ± 0.2^a	NZ	10.0 ± 0.0	NZ
E. aerogenes	EA01	14.6 ± 0.4^a	18.0 ± 1.0^b	14.7 ± 0.5^a	17.5 ± 1.0^b	12.0 ± 0.0^a	16.4 ± 0.3^b	NZ
S. aureus	SA08	10.5 ± 0.0^a	15.5 ± 0.5^b	12.4 ± 0.2^a	16.0 ± 0.5^b	12.9 ± 0.1^a	15.7 ± 0.2^a	NZ
S. aureus	SA21	NZ	12.0 ± 0.0	10.1 ± 0.1^a	14.4 ± 0.1^b	NZ	12.0 ± 0.0	NZ
S. pneumoniae	SP02	11.1 ± 0.1^a	16.9 ± 0.1^b	9.6 ± 0.3^a	14.6 ± 0.1^b	13.6 ± 0.4^a	17.2 ± 0.2^b	NZ
S. pneumoniae	SP10	NZ	13.3 ± 0.2	11.5 ± 0.2^a	16.5 ± 0.5^a	13.9 ± 1.1^a	19.0 ± 1.0^b	NZ

Each value represents the mean of three replicates and standard deviation. Mean within the column followed by the different superscript letters are significant as determined by Duncan’s multiple range test (P < 0.05)
mm Means, SD Standard deviation, NZ No inhibitory zone, DMSO Dimethyl sulphoxide

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