TABLE 3.

Comparison of LAMP assay with Amplicor for direct identification of mycobacteria in sputum specimens

Specimen no.a	Smear resultb	Species identification of culture isolates	Result with the following assay and primer:
			Amplicorb				LAMPb
			MTB	MAV	MIN	IC	MTB	MAV	MIN
1	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
2	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
3	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
4	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
5	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
6	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
7	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
8	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
9	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
10	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
11	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
12	Pos	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
13	Pos	Culture negative	Pos	—	—	Pos	Pos	—	—
14	Pos	Culture negative	Pos	—	—	Pos	Pos	—	—
15a	—	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
15b	—	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
15c	—	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
16	—	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
17	—	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
18	—	M. tuberculosis complex	Pos	—	—	Pos	Pos	—	—
19	—	M. tuberculosis complex	Pos	—	—	Pos	—	—	—
20	—	M. tuberculosis complex	Pos	—	—	Pos	—	—	—
21	—	Culture negative	Pos	—	—	Pos	—	—	—
22a	Pos	M. intracellulare	—	—	Pos	Pos	—	—	Pos
22b	Pos	M. intracellulare	—	—	Pos	Pos	—	—	Pos
23a	Pos	M. intracellulare	—	—	Pos	Pos	—	—	Pos
23b	Pos	M. intracellulare	—	—	Pos	Pos	—	—	Pos
24	—	M. intracellulare	—	—	Pos	Pos	—	—	Pos
25	—	M. intracellulare	—	—	Pos	Pos	—	—	—
26	—	M. intracellulare	—	—	—	Pos	—	—	—
27	Pos	M. avium	—	Pos	—	Pos	—	Pos	—
28	Pos	M. avium	—	Pos	—	Pos	—	Pos	—
29	Pos	M. avium	—	Pos	—	Pos	—	Pos	—
30a	Pos	M. avium	—	Pos	—	Pos	—	Pos	—
30b	Pos	Culture negative	—	Pos	—	Pos	—	Pos	—
31	Pos	M. avium	—	Pos	—	Pos	—	Pos	—
32	—	M. avium	—	—	—	Pos	—	—	—
33	—	M. avium	—	Pos	—	Pos	—	—	—
34	—	M. avium	—	Pos	—	Pos	—	Pos	—
35	—	M. avium	—	Pos	—	Pos	—	Pos	—
36	—	M. avium	—	—	—	Pos	—	—	—
37	Pos	M. abscessus	—	—	—	Pos	—	—	—
38a	Pos	M. abscessus	—	—	—	Pos	—	—	—
38b	—	M. abscessus	—	—	—	Pos	—	—	—
39	Pos	M. kansasii	—	—	—	Pos	—	—	—
40	—	M. kansasii	—	—	—	Pos	—	—	—
41a	—	Culture negative	—	—	—	Pos	—	—	—
41b	—	Culture negative	—	—	—	Pos	—	—	—
42	—	Culture negative	—	—	—	Pos	—	—	—
43	—	Culture negative	—	—	—	Pos	—	—	—
44a	—	Culture negative	—	—	—	Pos	—	—	—
44b	—	Culture negative	—	—	—	Pos	—	—	—
45	—	Culture negative	—	—	—	Pos	—	—	—
46	—	Culture negative	—	—	—	Pos	—	—	—
47	—	Culture negative	—	—	—	Pos	—	—	—
48	—	Culture negative	—	—	—	Pos	—	—	—
49	—	Culture negative	—	—	—	Pos	—	—	—
50	—	Culture negative	—	—	—	Pos	—	—	—
51	—	Culture negative	—	—	—	Pos	—	—	—
52	—	Culture negative	—	—	—	Pos	—	—	—
53	—	Culture negative	—	—	—	Pos	—	—	—
54	—	Culture negative	—	—	—	Pos	—	—	—
55	—	Culture negative	—	—	—	Pos	—	—	—
56	—	Culture negative	—	—	—	Pos	—	—	—
57	—	Culture negative	—	—	—	Pos	—	—	—
58	—	Culture negative	—	—	—	Pos	—	—	—

^aThe same number with different lowercase letters represents different sputum specimens obtained from the same patient.

^bPos, positive; —, negative.