TABLE 3.

Detection of M. tuberculosis complex in nonrespiratory specimens by initial and new versions of AMTDT

Microscopy result	Test and result	No. of specimens with the following culture result:
		Positivea	Negative	Total
Positive	AMTDT 1
	Positive	21	0	21
	Negative	0	3b	3
	Total	21	3	24
	AMTDT 2
	Positive	21	0	21
	Negative	0	3b	3
	Total	21	3	24
Negative	AMTDT 1
	Positive	36	0	36
	Negative	11	201c	212
	Total	47	201	248
	AMTDT 2
	Positive	38	0	38
	Negative	9	201c	210
	Total	47	201	248
Total	AMTDT 1
	Positive	57	0	57
	Negative	11	204d	215
	Total	68	204	272
	AMTDT 2
	Positive	59	0	59
	Negative	9	204d	213
	Total	68	204	272

^aOnly data for specimens with culture-positive results for M. tuberculosis are included. 

^bThree specimens were AMTDT negative and culture positive for NTM. 

^cSix specimens were AMTDT negative and culture positive for NTM. 

^dNine specimens were AMTDT negative and culture positive for NTM.