Drug Susceptibility Testing of 31 Antimicrobial Agents on Rapidly Growing Mycobacteria Isolates from China

Table 1

MIC (μg/mL) breakpoints of 31 antimicrobial agents.

Antibacterial agents	MIC breakpoints
	Susceptibility	Intermediate susceptibility	Resistance
Rifampicin	—	—	1 [8]
Isoniazid	—	—	1 [8]
Ethambutol	—	—	4 [8]
Streptomycin	—	—	5 [8]
Amikacin	16	32	64 [8]
Kanamycin	—	—	4 [11]
Capreomycin	—	—	2.5 [11]
Tobramycin	2	4	8 [8]
Ofloxacin	—	—	2 [11]
Ciprofloxacin	1	2	4 [8]
Levofloxacin	2	4	8 [8]
Sparfloxacin	1	2	4 [12]
Moxifloxacin	1	2	4 [8]
Linezolid	8	16	32 [8]
Clofazimine	—	—	1 [13]
Sulfamethoxazole	38	—	76 [8]
Minocycline	1	2–4	8 [8]
Doxycycline	1	2–4	8 [8]
Tigecycline	1	2–4	8 [8]
Clarithromycin	2	4	8 [8]
Azithromycin	2	4	8 [14]
Roxithromycin	2	4	8 [14]
Amoxicillin-clavulanic; acid	8/4	16/8	32/16 [15]
Cefoxitin	16	32–64	128 [8]
Cefmetazole	16	32	64 [16]
Meropenem	4	8–16	32 [8]
Rifapentine	—	—	1 [17]
Rifabutin	—	—	1 [17]
Dapsone	—	—	4 [18]
Thioacetazone	—	—	8 [19]
Pasiniazid	—	—	2 [11]