Table 2.

Sensitivities of Xpert MTB/RIF test and IS6110-TaqMan assay and median time to detection of MTBC in liquid culture

SpecimenSensitivity (%)P valueMedian time (days) to detection of MTBC
Xpert MTB/RIFIS6110-TaqMan
Smear positive100100NSa13 (6–28b)
    Respiratory100100NS13 (6–28)
    Nonrespiratory100100NS15.5 (11–21)
Smear negative48690.00528 (13–42)
    Respiratory5768NS23 (13–37)
    Nonrespiratory37710.01332 (13–42)
All69810.00521 (6–42)
  • a NS, not significant.

  • b Data in parentheses are minimum and maximum values (i.e., range).