Table 1. Minimum Inhibitory Concentration for Antibiotics Used Against Extended-Spectrum Beta-Lactamase -Producing E. coli Isolates (%) ^a,b.

Antibiotic	2 µg/mL	4 µg/mL	8 µg/mL	16 µg/mL	32 µg/mL	64 µg/mL	128 µg/mL	256 µg/mL	512 µg/mL
AN	5 (10)	7 (14)	6 (12)	5 (10)	12 (24)	8 (16)	7 (14)	0	0
Gm	2 (4)	2 (4)	1 (2)	2 (4)	7 (14)	9 (18)	15 (30)	10 (20)	2 (4)
CAZ	0	0	0	0	11 (22)	7 (14)	20 (40)	12 (24)	0
CRO	0	0	0	0	0	11 (22)	13 (26)	19 (38)	7 (14)
Cip	0	1 (2)	1 (2)	2 (4)	3 (6)	12 (24)	15 (30)	11 (22)	5 (10)

^a Abbreviations: AN, Amikacin; Gm, Gentamicin; CAZ, Ceftazidime, CRO, Ceftraxon and Cip, Ciprofloxacin.

^b Data are presented as No. (%).