Adverse events of bronchoscopy and bronchoalveolar lavage (BAL)
| Non-BAL group | BAL group | n | p-value | |
| Subjects n | 96 | 107 | ||
| Midazolam dose mg·kg−1 (mean±sd) | 0.397±0.231 | 0.264±0.0912 | 191 | <0.001 |
| During bronchoscopy | ||||
| Length of sedation min (mean±sd) | 10.8±3.61 | 11.4±5.27 | 203 | 0.41 |
| Poor bronchoscopy tolerance# | 7 (7.7) | 15 (15) | 22 | 0.1 |
| After bronchoscopy | ||||
| Fever | 19 (20) | 13 (12) | 32 | 0.14 |
| Bronchospasm | 13 (14) | 8 (7.5) | 21 | 0.16 |
| Oxygen requirement | 18 (19) | 9 (8.4) | 27 | 0.03 |
| ≥1 night hospitalisation | 15 (16) | 7 (6.5) | 22 | 0.038 |
Data are presented as n (%) unless otherwise stated. #: during the bronchoscopy (hypoxia, significant cough, problems related to midazolam adverse side-effects). Significant p-values appear in bold.