TABLE 2.

Clinical significance of NTM isolated in the present study

Organism	No. (%) of patients for whom:			Proportion (%) with:
	NTM was isolated (A)	NTM lung disease was found (B)	NTM lung disease was treated (C)	Disease, B/Aa	Treatment, C/Bb
M. avium complex	102 (60.4)	73 (65.8)	59 (64.8)	71.6	80.8
M. avium	64 (37.9)	41 (36.9)	31 (34.1)	64.1	75.6
M. intracellulare	36 (21.3)	32 (28.8)	28 (30.8)	88.9	87.5
M. marseillense	1 (0.6)	0 (0.0)	0 (0.0)	0.0	NAc
M. colombiense	1 (0.6)	0 (0.0)	0 (0.0)	0.0	NA
M. abscessus complex	41 (24.3)	32 (28.8)	27 (29.7)	78.0	84.4
M. abscessus	25 (14.8)	21 (18.9)	17 (18.7)	84.0	81.0
M. massiliense	15 (8.9)	11 (9.9)	10 (11.0)	73.3	90.9
M. chelonae	1 (0.6)	0 (0.0)	0 (0.0)	0.0	NA
M. fortuitum complex	9 (5.3)	3 (2.7)	2 (2.2)	33.3	66.7
M. fortuitum	3 (1.8)	2 (1.8)	2 (2.2)	66.7	100.0
M. peregrinum	2 (1.2)	0 (0.0)	0 (0.0)	0.0	NA
M. conceptionense	3 (1.8)	0 (0.0)	0 (0.0)	0.0	NA
M. porcinum	1 (0.6)	1 (0.9)	0 (0.0)	100.0	NA
M. gordonae	5 (3.0)	0 (0.0)	0 (0.0)	0.0	NA
M. lentiflavum	4 (2.4)	0 (0.0)	0 (0.0)	0.0	NA
M. terrae complex	2 (1.2)	0 (0.0)	0 (0.0)	0.0	NA
M. mucogenicum	2 (1.2)	0 (0.0)	0 (0.0)	0.0	NA
M. kansasii	1 (0.6)	1 (0.9)	1 (1.1)	100.0	100.0
M. nebraskense	1 (0.6)	0 (0.0)	0 (0.0)	0.0	NA
M. massiliense + M. avium	1 (0.6)	1 (0.9)	1 (1.1)	100.0	100.0
M. abscessus + M. intracellulare	1 (0.6)	1 (0.9)	1 (1.1)	100.0	100.0
Total	169 (100.0)	111 (100.0)	91 (100.0)	65.7	82.0

^aProportion of patients with NTM lung disease among patients with isolated NTM (B/A).

^bProportion of treated patients among those with NTM lung disease (C/B).

^cNA, not applicable.