Table 1.

Antibiotic disks used for sensitivity test and their respective concentrations [33].

Antibiotics	Concentration μg/disk	Susceptible	Intermediate	Resistant
Gentamicin	10 μg	≥15	13–14	≤12
Ciprofloxacin	5 μg	≥31	21–30	≤20
Ceftazidime (30 μg) and ceftazidime/clavulanic acid (30/10 μg)	30/10 μg	≥18	14–17	≤13
Cefotaxime (30 μg) and cefotaxime/clavulanic acid (30/10 μg)	30/10 μg	≥20	15–19	≤14
Aztreonam (30 μg) and Aztreonam/Clavulanic acid (30/10 μg)	30/10 μg	≥18	14–17	≤13
Cefepime	30 μg	≥25	19–24	≤18
Cefixime	5 μg	≥19	16–18	≤15
Meropenem	10 μg	≥23	20–22	≤19
Imipenem	10 μg	≥23	20–22	≤19
Ertapenem	10 μg	≥22	19–21	≤18
Piperacillin and Tazobactam	100/10 μg	≥21	15–20	≤14
Amoxicillin–clavulanic	20/10 μg	≥18	14–17	≤13
Colistin	10 μg	≥74	–	≤4