Table 2.

Adjustment of discrepant results to the adapted gold standard

TestNo. of true-positive specimens for which:No. of specimens for which positive PCR was not confirmableb
Positive PCR was confirmed by other culture-positive samples from same patientPositive PCR was confirmed by other PCRNegative PCR was confirmed by both PCRsa
In-house PCR3122
Acid-fast staining1
  • a Smear-negative, culture-negative specimen from a patient with culture-proven TB.

  • b False-positive PCR.