Table 6.

Susceptibility of SGM other than MAC and Mycobacterium kansasii to antimicrobial agents determined by the broth dilution method

Grouping/species	SGM other than MAC and M. kansasii (n = 50)
Antimicrobial agent	Broth dilution ranges (μg/ml)	MIC50	MIC90	Susceptible	Intermediate	Resistant	S (%)	I (%)	R (%)
Antimicrobial agents and susceptibility breakpoints (MICs) for testing SGM other than MAC and M. kansasiia
Amikacin	1‒64	4	32	≤ 16	32	≥ 64	86	6	8
Ciprofloxacin	0.12‒16	4	> 16	≤ 1	2	≥ 4	12	24	64
Clarithromycin	0.06‒64	0.5	4	≤ 8	16	≥ 32	94	0	6
Doxycycline	0.12‒16	> 16	> 16	≤ 1	2‒4	≥ 8	8	10	82
Linezolid	1‒64	8	64	≤ 8	16	≥ 32	58	4	38
Moxifloxacin	0.12‒8	2	> 8	≤ 1	2	≥ 4	50	24	26
Rifampicin	0.12‒8	2	> 8	≤ 2	-	≥ 4	56	-	44
Rifabutin	0.25‒8	0.5	1	≤ 1	-	≥ 2	96	-	4
TMP‒SMX	0.12/2.38‒8/152	2	> 8	≤ 2/38	-	≥ 4/76	46	-	54

SGM slow growing mycobacteria, MAC Mycobacterium avium‒intracellulare complex, CLSI Clinical and Laboratory Standards Institute, TMP‒SMX trimethoprim-sulfamethoxazole

^aCLSI M24, 3rd ed., 2018 (2)