Table 1

Evaluation of TB PCR in culture confirmed Mycobacterium tuberculosis

Total number of culture positive specimensNumber of TB PCR positive samplesNumber of TB PCR negative samplesSensitivity of TB PCR
TB PCR, polymerase chain reaction for Mycobacterium tuberculosis.
Pulmonary specimens79651482.3%
    Sputum3931879.5%
    Bronchoalveolar lavage4034685%
Extrapulmonary specimens50361472%
    Tissue1613381.2%
    Aspirates139469.2%
    Cerebrospinal fluid108280%
    Pleural fluid62433.3%
    Early morning urine43175%
    Endocervical swab110100%
Total1291012878.3%