TABLE 1.

Cross-resistance between moxifloxacin and ofloxacin

Year	Moxifloxacin			Ofloxacin
	Breakpoint (μg/mL)	Methoda	Susceptibility result	Susceptible	Resistant	Total
2007	0.5	MGIT	Susceptible	233	45	278
			Resistant	5	36	41
			Total	238	81	319
	2.0	MGIT	Susceptible	237	72	309
			Resistant	1	9	10
			Total	238	81	319
2013	0.5	MIC	Susceptible	191	7	198
			Resistant	9	131	140
			Total	200	138	338
	2.0	MIC	Susceptible	200	59	259
			Resistant	0	79	79
			Total	200	138	338

^aMGIT, Mycobacterium growth indicator tube; MIC, minimum inhibitory concentration.