TABLE 2.

Correlation between two amplification assays for detection of M. tuberculosis and culture results among 552 respiratory specimens

AssayAcid-fast smear result (no. of samples)No. of samplesSensitivity (%)Specificity (%)Predictive values (%)
Culture positive (n = 30)Culture negative (n = 522)PositiveNegative
PCR positivePCR negativePCR positivePCR negative
RAPID BAP-MTBPositive (21)1116391.733.364.775.0
Negative (531)18019494100.096.348.6100.0
Overall (552)2912549796.795.253.799.8
DTBPositive (21)1118191.711.157.950.0
Negative (531)1172748661.194.728.998.6
Overall (552)2283548773.393.338.698.4