Table 2.

Comparison of confirmed results for respiratory specimens by AMTDT 1 and AMTDT 2

Test and resultNo. of specimens with the following confirmed result:Sensitivity (%)Specificity (%)PPV (%)NPV (%)
PositiveNegativeTotal
AMTDT 1
 Positive8208283.010010096.0
 Negative13315a 328
 Total95315410
AMTDT 2
 Positive9009094.710010098.4
 Negative5315a 320
 Total95315410
  • a Twenty-six specimens were culture positive for NTM.