In Vitro Susceptibility of Mycobacterium abscessus and Mycobacterium fortuitum Isolates to 30 Antibiotics

Table 4

The comparison of drug resistance rate of M. fortuitum isolates from various studies.

district/nation	year	Test method	Aminoglycosides			Fluoroquinolones				Carbapenems			Sulfonamides	source
			AMK	TOB	FOX	MXF	CIP	CLR	DOX	IMP	MEM	LNZ	SXT/SOX^3
Shanghai	2017	1	0 (0%)	0 (0%)	15 (88%)	10 (59%)	8 (47%)	17 (100%)	15 (88%)	2 (12%)	-	3 (18%)	14 (82%)	This study
Guangzhou	2017	1	7 (14%)	51 (100%)	-	2 (4%)	21 (41%)	39 (76%)	-	29 (57%)	13 (25%)	43 (84%)	-	[34]
Mumbai	2016	2	0 (0%)	0 (0%)	22 (100%)	-	5 (23%)	0 (0%)	-	4 (18%)	-	0 (0%)	21 (95%)	[35]
India	2016	1	0 (0%)	-	-	-	5 (24%)	3 (14%)	-	-	-	-	-	[36]
Iran	2016	1	1 (2%)	0 (0%)	8 (14%)	25 (29%)	12(14%)	-	36 (42%)	8 (9%)	42 (49%)	6 (7%)	0 (0%)	[37]
Singapore	2015	1	3 (3%)	73 (92%)	7 (8%)	0 (0%)	3 (3%)	44 (47%)	-	3 (3%)		6 (7%)	1 (3%)	[27]
Taiwan	2003	1	0 (0%)	32 (46%)	1 (1%)	17 (25%)	23(33%)	14 (20%)	47 (68%)	5 (7%)	28 (41%)	17 (25%)	35 (51%)	[33]

1 means broth microdilution method and 2 means disc diffusion method.
“-“ means the results are not available.
SXT=trimethoprim-sulfamethoxazole. SXT and SOX have the same mainly effective ingredient sulfamethoxazole, so we compare the results together.