Table 1.

The interpreted results of drug susceptibility testing.

Antimicrobial agent		Drug content (μg)	Bacteriostatic circle diameter (mm)
			Susceptible (S)	Intermediate (I)	Resistant (R)
Ampicillin	AMP	10	≥17	14–16	≤13
Amoxicillin-clavulanic acid	AMC	20/10	≥18	14–17	≤13
Ampicillin-salbactam	SAM	10/10	≥15	12–14	≤11
Piperacillin-tazobactam	TZP	100/10	≥21	18–20	≤17
Piperacillin	PIP	100	≥21	18–20	≤17
Cefazolin	CZO	30	≥18	15–17	≤14
Cefuroxime	CXM	30	≥18	15–17	≤14
Ceftazidime	CAZ	30	≥18	15–17	≤14
Cefotaxime	CTX	30	≥23	15–22	≤14
Cefepime	FEP	30	≥18	15–17	≤14
Cefotaxime	FOX	30	≥18	15–17	≤14
Imipenem	IPM	10	≥16	14–15	≤13
Meropenem	MEM	10	≥16	14–15	≤13
Amikacin	AMK	30	≥17	15–16	≤14
Gentamycin	GEN	10	≥15	13–14	≤12
Cefotaxime	CIP	5	≥21	16–20	≤15
Levofloxacin	LVX	5	≥17	14–16	≤13
Trimethoprim-Sulphamethoxazole	SXT	1.25/23.75	≥16	11–15	≤10
Tetracycline	TCY	30	≥19	15–18	≤14
Chloramphenicol	CHL	30	≥18	13–17	≤12