Table 1.

Clinical specimens used for comparative evaluation by M. tuberculosis complex culture result

SpecimenSample types (no. of specimens)
M. tuberculosis complex negative (n = 75)M. tuberculosis complex positive (n = 37)
PulmonaryBronchial brush (1), bronchial wash (5), bronchoalveolar lavage (11), expectorated sputum (24), induced sputum (17), lung biopsy specimen (4), nasopharyngeal aspirate (1), pleural fluid (2), sputum (unspecified) (3), tracheal aspirate (2)Bronchial wash specimen (1), bronchoalveolar lavage fluid (3), expectorated sputum (9), induced sputum (15), pleural biopsy specimen (1), pleural fluid (1), sputum (unspecified) (1)
ExtrapulmonaryBrain biopsy specimen (2), lymph node biopsy specimen (2), sinus biopsy specimen (1)Endometrial biopsy specimen (1), lymph node biopsy specimen (1), neck abscess aspirate (1), neck mass biopsy specimen (1), retroperitoneal fluid (1), stool (1)