Table 3.

Detection of M. tuberculosis complex in nonrespiratory specimens by initial and new versions of AMTDT

Microscopy resultTest and resultNo. of specimens with the following culture result:
PositiveaNegativeTotal
PositiveAMTDT 1
 Positive21021
 Negative03b 3
 Total21324
AMTDT 2
 Positive21021
 Negative03b 3
 Total21324
NegativeAMTDT 1
 Positive36036
 Negative11201c 212
 Total47201248
AMTDT 2
 Positive38038
 Negative9201c 210
 Total47201248
TotalAMTDT 1
 Positive57057
 Negative11204d 215
 Total68204272
AMTDT 2
 Positive59059
 Negative9204d 213
 Total68204272
  • a Only data for specimens with culture-positive results for M. tuberculosis are included.

  • b Three specimens were AMTDT negative and culture positive for NTM.

  • c Six specimens were AMTDT negative and culture positive for NTM.

  • d Nine specimens were AMTDT negative and culture positive for NTM.