TABLE 1.

Respiratory specimens: comparison of AMTDII and DTB amplification assays with smear and culture results and clinical dataa

Patient statusNo. of specimensNo. positive by AMTDIINo. positive by DTBP
Smear and culture positive7671 [5]75NS
Smear negative, culture positive1510 [2]11 (1)NS
Smear and culture negative with TB final diagnosis10 [1]1NS
All TB positive9281 [8]87 (1)NS
Smear and culture negative, non-TB pulmonary disease20701NS
Isolation of NTM3220NS
  • a Values in brackets represent the number of specimens that turned out to be positive when retrospectively tested after dilution. Values in parentheses represent the number of specimens showing a negative amplification control that turned out to be positive when retested after dilution.