TABLE 2.

Microbiological results for various specimen categories^a

Specimen	Culture medium	M. genavense				MAC
		No. (%) of specimens			Median time (days [range]) to culture positivity	No. (%) of specimens			Median time (days [range]) to culture positivity
		Total	Smear positive	Culture positive		Total	Smear positive	Culture positive
BAL	12B + solid	1	0 (0)	0 (0)		11	0 (0)	4 (36.4)	10 (8–25)
Blood	13A	22	NA	4 (25)b	46 (30–54)	55	NA	31 (58.5)c	9 (6–52)
Bone biopsy	12B + solid	1	0 (0)	0 (0)		0
Bone marrow	13A	10	1 (16.7)d	7 (70)	15 (7–28)	11	NA	8 (72.7)	10 (6–57)
CSF	12B + Dubos + solid	6	0 (0)	0 (0)		3	0 (0)	1 (33.3)	15
Liver biopsy	12B + solid	4	0 (0)	3 (75)	6 (6–40)	13	0 (0)	9 (69.2)	12 (6–49)
Lymph node	12B + solid	2	2 (100)	1 (50)	8	1	0 (0)	1 (100)	11
Peritoneal fluid	12B + solid	1	0 (0)	0 (0)		0
Pus	Solid	4	0 (0)	0 (0)		1	1 (100)	0 (0)
Skin biopsy	12B + solid	1	0 (0)	0 (0)		0
Sputum or gastric lavage	12B + solid	8	0 (0)	1 (12.5)	37	26	2 (7.7)	8 (30.8)	15 (14–42)
Stool	Solid	14	9 (64.3)	2 (15.4)e	41 (35–47)	22	0 (0)	15 (71.4)e	24 (11–35)
Synovial fluid	12B + solid	3	0 (0)	0 (0)		0
Urine	12B + solid	5	0 (0)	0 (0)		4	1 (25.0)	1 (25.0)	18
Miscellaneous	Variable	1	0 (0)	0 (0)		6	1 (16.7)	0 (0)
Total	Variable	83	12 (21.1)	18 (23.7)		153	5 (5.7)	78 (52.0)

^aAbbreviations: BAL, bronchoalveolar lavage; CSF, cerebrospinal fluid; solid, a solid medium; NA, not analyzed. 

^bSix specimens were contaminated on all culture media. 

^cTwo specimens were contaminated on all culture media. 

^dFour specimens were not analyzed. 

^eOne specimen was contaminated on all culture media.