Table 2: Clinical double blind samples identified with LAMP-LFD, tested with specific carrying the IS6110 gene probes for genotyping, and compared with the culture and AFB smear test.

Culture test*AFB smear test*  LAMP-LFD test
AFB grade
3+2+1+
(30)(30)(15)(26)PositiveNegative
PositiveNegative

Positive (93)7518921
Negative (8)0808

Total (101)7526929

and AFB smear test results were confirmed by the NTRL, Bureau of Tuberculosis, Department of Disease Control, Ministry of Public Health, Thailand.