| No immunosuppressive conditions(n = 98) | HIV-infected(n = 41) | Other immunosuppressive conditions(n = 60) | Lung transplant recipients(n = 285) | Other transplant recipients(n = 38) | All(n = 522) | |
| No of BAL procedures included in the study | ||||||
| Mean (SD) | 1.1 (0.2) | 1.1 (0.3) | 1.2 (0.3) | 3.6 (1.1) | 1.3 (0.9) | 1.8 (1.9) |
| (Median, maximum) | (1, 3) | (1, 2) | (1, 9) | (3, 14) | (1, 4) | (1, 14) |
| Respiratory tract infection suspected | 71.5% | 95.1% | 86.7% | 27.7% | 92.1% | 52.7% |
| Respiratory opportunistic infection suspected | 20.4% | 73.2% | 51.7% | 8.8% | 60.5% | 24.7% |
| Tuberculosis suspected | 19.4% | 73.2% | 16.7% | 0% | 10.5% | 12.1% |
| Fever | 51.0% | 70.7% | 48.3% | 10.9% | 94.7% | 33.5% |
| Influenza-like illness | 11.2% | 21.9% | 23.3% | 10.5% | 10.5% | 13.0% |
| Respiratory symptoms | ||||||
| Cough | 49.0% | 70.7% | 55.0% | 31.6% | 57.9% | 42.5% |
| Dyspnoea | 55.1% | 56.1% | 68.3% | 29.5% | 63.2% | 43.3% |
| Sputum | 48.0% | 41.5% | 43.3% | 21.1% | 31.6% | 31.0% |
| Rhinopharyngitis | 7.1% | 22.0% | 21.7% | 15.1% | 15.8% | 14.9% |
| Any respiratory symptoms | 75.5 | 85.4 | 81.7 | 47.0 | 79.0 | 61.7 |
| New radiological infiltrates | 84.7% | 82.9% | 85.0% | 14.7% | 81.6% | 46.2% |
| Antibiotic treatment targeting a respiratory tract infection | 39.8% | 34.2% | 43.3% | 26.0% | 43.4% | 32.8% |
| Respiratory virus-positive, n (%) | 12 (12.3) | 7 (17.1) | 12 (20.0) | 48 (16.8) | 12 (31.6) | 91 (17.4) |
BAL, bronchoalveolar lavage.