Baseline characteristics
| Total number of patients | 156 |
| Male | 80 (51%) |
| Median age (range) | 39 (18–86) |
| Ethnicity | |
| African | 47 (30%) |
| Caucasian | 25 (16%) |
| Caribbean | 6 (4%) |
| South Asian | 56 (36%) |
| East Asian | 12 (8%) |
| Other | 10 (6%) |
| Presenting symptoms | |
| Fever/night sweats | 76 (49%) |
| Weight loss | 72 (46%) |
| Cough | 94 (60%) |
| Haemoptysis | 12 (77%) |
| No symptoms | 34 (22%) |
| Abnormal lung parenchyma on CT | 54 (35%) |
| HIV-positive | 17 (11%) |