Chest radiograph results
| Radiographic disease | Induced sputum +ve | Total |
|---|---|---|
| Grade of disease | ||
| Normal (1) | 5 | 22 |
| Trivial (2) | 9 | 50 |
| Intermediate (3) | 7 | 36 |
| Extensive (4) | 5 | 21 |
| Extent of disease | ||
| Unilateral | 15 | 68 |
| Bilateral | 6 | 39 |
| Disease activity | ||
| Active | 20 | 63 |
| Inactive | 1 | 44 |
| Total number of subjects | 26 | 129 |