Comparison of tuberculosis suspects* identified by radiographic screening, investigated and treated for tuberculosis
| Study arm | p Value | ||
| 12-monthly (n=11 015) | 6-monthly (n=10 997) | ||
| N (%) | N (%) | ||
| TB suspect† | 1145/11 015 (10.4) | 1433/10 997 (13.0) | <0.0001 |
| TB suspect‡ | 1145/17 986 (6.4) | 1433/35 202 (4.1) | <0.0001 |
| Investigated for TB§ | 490/1145 (42.8) | 530/1433 (37.0) | 0.003 |
| Treated for TB | 216/490 (44.1) | 232/530 (43.8) | 1.0 |
| Detection by radiographic screening confirmed¶ | 195/216 (90.3) | 200/232 (86.2) | 0.8 |
↵* Tuberculosis suspects defined as individuals with new or changing radiological lesions suggestive of TB and includes those investigated for TB more than once during the study period.
↵† Using the number of participants as the denominator.
↵‡ Using the number of chest radiographs as the denominator.
↵§ Investigated for TB within 90 days of the x-ray date.
↵¶ Detection by radiological screening confirmed on clinical review.
TB, tuberculosis.