| Category | CT Range | Individual Sputum Samples | Pooled Sputum Samples |
| Very Low | <16 | 0 | 0 |
| Low | 16 - 22 | 13 | 7 |
| Medium | 23 - 28 | 13 | 10 |
| High | >28 | 2 | 0 |
| Total |
| 28 | 17 |