Table 2. Anti-mycobacterial treatment regimens by NTM species.

NTM species	Regimen	Duration (month): median [range]	No. of patients
MAC	Macrolide monotherapy	6 (4–6)	4
	Quinolone monotherapy	7	1
	Macrolide plus quinolone	1 (0.25–12)	7
	Macrolide, ethambutol plus rifampicin		0
M. chelonae-abscessus	Macrolide plus quinolone	3.5 (0.5–16)	6
	Amikacin, imipenem, macrolide	15*	1
M. kansasii	Macrolide	0.3	1
	Macrolide plus quinolone	1	1

NOTE. NTM, non-tuberculous mycobacteria; MAC: Mycobacterium avium complex; M. che-abs: Mycobacterium chelonae-abscessus.

^*This patient received parenteral amikacin and imipenem for 3 weeks, followed by oral clarithromycin for 14 months.