Fig 1.
A posterior-anterior chest radiograph in a patient with typical adult-type smear-positive pulmonary tuberculosis.
The major features are: (1) upper lung zone distribution; (2) cavitation; (3) volume loss; (4) acinar shadows.
Table 1.
Expert inter-reader variability of chest radiographic interpretations.
Table 2.
Demographic and clinical features of smear-positive PTB patients with “typical” and “atypical” chest radiographic features.
Table 3.
Bacillary burden and cavitation in smear-positive pulmonary TB cases with “typical” and “atypical” chest radiographic features.
Table 4.
Transmission events among close contacts of smear-positive PTB Cases according to chest radiograph category.
Table 5.
Transmission Events in Close Contacts of “Typical” and “Atypical” Pulmonary TB Cases grouped according to Radiographic Appearance (Cavitary or Non-Cavitary) and Sputum Semi-quantitative Smear Size.
Table 6.
Secondary cases among smear-positive PTB patients according to chest radiograph category.
Table 7.
Transmission events by source case characteristic and chest radiograph category.